New york acetylene gas hi-res stock photography and images

. Scientific American Volume 74 Number 14 (April 1896). ?8u USE GRINDSTONES? tf 80, we can supply you. All sizesiiiiMiiireil and ii hiimmiiiiiiI. alwayskept in stock. Remember, we make a speciaityof selecting stones for all spe-cial purposes. K7 Ask for catalogue. The (:i.li:VEL.ANU STONE (^O. 2d Floor. Wilahire. Cleveland, 0. STEREOPTICONS.MAGIC LANTERNS and ACCESSORIES,SEND FOR CATALOGUE TO CHA5 BESE.LERMAKER2I8CENFRE ST. NEW YORK. ACETYLENE GAS AND CARBIDE OF Calcium.—All about the new illuminnnt, its quiilities.chemistry, pressure of liquefaction, its probable Future,experiments performed Stock Photo

RM2AFP1WX–. Scientific American Volume 74 Number 14 (April 1896). ?8u USE GRINDSTONES? tf 80, we can supply you. All sizesiiiiMiiireil and ii hiimmiiiiiiI. alwayskept in stock. Remember, we make a speciaityof selecting stones for all spe-cial purposes. K7 Ask for catalogue. The (:i.li:VEL.ANU STONE (^O. 2d Floor. Wilahire. Cleveland, 0. STEREOPTICONS.MAGIC LANTERNS and ACCESSORIES,SEND FOR CATALOGUE TO CHA5 BESE.LERMAKER2I8CENFRE ST. NEW YORK. ACETYLENE GAS AND CARBIDE OF Calcium.—All about the new illuminnnt, its quiilities.chemistry, pressure of liquefaction, its probable Future,experiments performed

Monthly Progress Photo, Oxygen, Hydrogen and Acetylene Gas Pipes Alongside Building 116 (27), Looking Southwest, Yard Labor. Glass Plate Negatives of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard. Stock Photo

RM2R94XWN–Monthly Progress Photo, Oxygen, Hydrogen and Acetylene Gas Pipes Alongside Building 116 (27), Looking Southwest, Yard Labor. Glass Plate Negatives of the Construction and Repair of Buildings, Facilities, and Vessels at the New York Navy Yard.

ROYAL MANUFACTURING CO Buz I I - DETROIT. MICIL a Bay Sure Brass Band Instrument. Drums Uniforms us LYON it HEALY Adosas his 60A0. The New Light Brighter than Electricity. ACETYLENE GAS Student's Lamp. It costs 14 cent per hour to operate electric lamps. FaRICE S5-00 ELECTRO GAS LIGHTING CO„ Largest Acetylene Gas Factors in America. G. L HOGAN Manager 288 Broadway New York U. S. A. The 001) For For Sale, scientific american, 1899-12-30 Stock Photo

RM2ABXJPA–ROYAL MANUFACTURING CO Buz I I - DETROIT. MICIL a Bay Sure Brass Band Instrument. Drums Uniforms us LYON it HEALY Adosas his 60A0. The New Light Brighter than Electricity. ACETYLENE GAS Student's Lamp. It costs 14 cent per hour to operate electric lamps. FaRICE S5-00 ELECTRO GAS LIGHTING CO„ Largest Acetylene Gas Factors in America. G. L HOGAN Manager 288 Broadway New York U. S. A. The 001) For For Sale, scientific american, 1899-12-30

Railway and Locomotive Engineering . New >ork or at the Chicago office.Peoples Gas building. GOLD CarHeating LightingCompany Manufacturers of ELECTRIC,STEAM ANDHOT WATERHEATINGAPPARATUS FOR RAILWAY CARS VENTILATORS FOR PASSENGER AND REFRIGER- ATOR CARS ACETYLENE SYSTEMOF CAR LIGHTING Send for circular of our combina-tion PRESSURE AND VAPORSYSTEM OF CAR HEATING,which system automatically main-tains about the same temperature inthe car regardless of the outsideweather conditions. Main Office, Whitehall Building 17 BATTERY PLACE NEW YORK Augll^t, 1916. RAILWAY AND LOCOMOTIVE ENGINEERING. 287 H Stock Photo

RM2AKW718–Railway and Locomotive Engineering . New >ork or at the Chicago office.Peoples Gas building. GOLD CarHeating LightingCompany Manufacturers of ELECTRIC,STEAM ANDHOT WATERHEATINGAPPARATUS FOR RAILWAY CARS VENTILATORS FOR PASSENGER AND REFRIGER- ATOR CARS ACETYLENE SYSTEMOF CAR LIGHTING Send for circular of our combina-tion PRESSURE AND VAPORSYSTEM OF CAR HEATING,which system automatically main-tains about the same temperature inthe car regardless of the outsideweather conditions. Main Office, Whitehall Building 17 BATTERY PLACE NEW YORK Augll^t, 1916. RAILWAY AND LOCOMOTIVE ENGINEERING. 287 H

EXPERIMENTAL ACETYLENE GAS BUOY FOR NEW YORK HARBOR. The Gravehals Tunnel Norway. ACETYLENE GAS BUOY FOR NEW YORK HARBOR. A New Map of the Yukon Region. -. 4, scientific american, 1897-12-18 Stock Photo

RM2ABXGC1–EXPERIMENTAL ACETYLENE GAS BUOY FOR NEW YORK HARBOR. The Gravehals Tunnel Norway. ACETYLENE GAS BUOY FOR NEW YORK HARBOR. A New Map of the Yukon Region. -. 4, scientific american, 1897-12-18

RM2AN398G–Hardware merchandising (January-June 1902) . London Showrooms : 57 Holborn Viaduct, E.C.. «£ Australasian ^Hardware and Machinery, The Organ of the Hardware, Machineryand Kindred trades of the Antipodes. SUBSCRIPTION $1.25 PER ANNUM, post free to any part of the world. PUBLISHING OFFICES: MelbourneSydney, AMERICAN OFFICES: New York, BRITISH OFFICES: London, - Finks Buildings. Post Office Chambers. Park Row Building. - 42 Cannon St., E.C.Specimen Copies on application. CANADIAN HARDWARE AND METAL 29 ACETYLENE GAS

THE HALL BRASS PIPE WRENCH. Water Emery Tool Grinder & WEISS ALL $1 YEARLY FOR REPAIRS. The Standard. AM FABER ARTESIAN Gas Engine Construction 361 BROADWAY NEW YORK. 'Sta Star ethos ACETYLENE APPARATUS THE BEST BENCH LATHE sg 0.1 WORKS LIKE A CHARM. PERFECT- PUMP - POWER. IF YOU HAVE A SHOTGUN MERITORIOUS INVENTIONS GAS and GASOLINE ENGINES. The Ideal Hunting Shoe Williams' Shaving Stick GERE GASOLINE ENGINES CABIN-OPEN BOATS Telephones ) litiwiti GET A MOVE 014 YO.U1 NICKEL D YORK. AMERICAN - MONITOR '''''''AMERICAH MOTOR CO., scientific american, 1900-09-08 Stock Photo

RM2ABXKPP–THE HALL BRASS PIPE WRENCH. Water Emery Tool Grinder & WEISS ALL $1 YEARLY FOR REPAIRS. The Standard. AM FABER ARTESIAN Gas Engine Construction 361 BROADWAY NEW YORK. 'Sta Star ethos ACETYLENE APPARATUS THE BEST BENCH LATHE sg 0.1 WORKS LIKE A CHARM. PERFECT- PUMP - POWER. IF YOU HAVE A SHOTGUN MERITORIOUS INVENTIONS GAS and GASOLINE ENGINES. The Ideal Hunting Shoe Williams' Shaving Stick GERE GASOLINE ENGINES CABIN-OPEN BOATS Telephones ) litiwiti GET A MOVE 014 YO.U1 NICKEL D YORK. AMERICAN - MONITOR '''''''AMERICAH MOTOR CO., scientific american, 1900-09-08

RM2AN38RN–Hardware merchandising (January-June 1902) . «£ Australasian ^Hardware and Machinery, The Organ of the Hardware, Machineryand Kindred trades of the Antipodes. SUBSCRIPTION $1.25 PER ANNUM, post free to any part of the world. PUBLISHING OFFICES: MelbourneSydney, AMERICAN OFFICES: New York, BRITISH OFFICES: London, - Finks Buildings. Post Office Chambers. Park Row Building. - 42 Cannon St., E.C.Specimen Copies on application. CANADIAN HARDWARE AND METAL 29 ACETYLENE GAS. TheonlyMachinethathasstoodthe test. Send for Catalogue andReferences. OUR SYSTEM IS CARBIDE TO WATER. THE GUELPH ACETYLENE GAS

NEWYORK GOERZ BINOCULAR C. P. GOERZ AMERICAN OPTICAL CO. 52 Union Square E. New York Brighter than electricity or acetylene --cheaper than kerosene-.makes and burns its own gas. No GRE A SED7 RTS MOK E or ODOR. A safepowerfulwhitesteady light --durable and handsome. Over 100 styles--every lamp warranted. AGENTS WANTED EVERYWHERE. THE BEST LIGHT Co. 87 13.5th St. CantonO. The New Automobile Supply House AUTOMOBILE CLEARING SALE and Accessories Draughtsman's Protractor GOODELL-PRATT CO. Greenfield Mass. TAPES AND RULES LVFKIN RULE CO. Saginaw Mich U. S. A. A good pillow helps—an Ostermoor Stock Photo

RM2ABY3YY–NEWYORK GOERZ BINOCULAR C. P. GOERZ AMERICAN OPTICAL CO. 52 Union Square E. New York Brighter than electricity or acetylene --cheaper than kerosene-.makes and burns its own gas. No GRE A SED7 RTS MOK E or ODOR. A safepowerfulwhitesteady light --durable and handsome. Over 100 styles--every lamp warranted. AGENTS WANTED EVERYWHERE. THE BEST LIGHT Co. 87 13.5th St. CantonO. The New Automobile Supply House AUTOMOBILE CLEARING SALE and Accessories Draughtsman's Protractor GOODELL-PRATT CO. Greenfield Mass. TAPES AND RULES LVFKIN RULE CO. Saginaw Mich U. S. A. A good pillow helps—an Ostermoor

Railway and Locomotive Engineering . f Air and Gas Compfessore For All PurpoasaSmnd for Cataloi Rl,l%SLeEn)ineeriii| A Practical Journal of Motive Power, Rolling Stock and Appliances i Vol. XXIX. 114 Liberty Street, New York, August, 1916. No. 8 Origin and Manufacture of Oxy-Acetylene Details of Means and Methods for Its Use As early as 1862 experiments had been in water produced a gas which, wiien ig- carhide will produce about five and one-made with a mixture of charcoal, zinc and nited, burns with a bright flame accom- half cubic feet of acetylene. The sub-calcium, whicli when heated to a h Stock Photo

RM2AKWYBF–Railway and Locomotive Engineering . f Air and Gas Compfessore For All PurpoasaSmnd for Cataloi Rl,l%SLeEn)ineeriii| A Practical Journal of Motive Power, Rolling Stock and Appliances i Vol. XXIX. 114 Liberty Street, New York, August, 1916. No. 8 Origin and Manufacture of Oxy-Acetylene Details of Means and Methods for Its Use As early as 1862 experiments had been in water produced a gas which, wiien ig- carhide will produce about five and one-made with a mixture of charcoal, zinc and nited, burns with a bright flame accom- half cubic feet of acetylene. The sub-calcium, whicli when heated to a h

GRAND PRIZE PARIS 1900. ACETYLENE GAS AND CARBIDE OF nr. MIR TYPEWRITER the human frame-the entire value ride easier are safer and tori easily mended than any SECTORLESS WIMSHURST MACHINE. SATISFACTION GUARANTEED. Acetylene Gas Generation PERFECTED. J. B. COLT CO. Boston. Chicago. Philadelphia. 6 Building Edition Scientific American SINGLE NUMBERS 25 CENTS. NEW DEPARTMENTS. Monthly Comment. Interviews with Architects. New Books. New Building Patents. Notes and Queries. Digest of Current Articles. MUNN leit. C Publishers 361 Broadway New York. WILL SHIP CI O. DI FOR $25.00 WITH PRIVILEGE OF Stock Photo

RM2ABXMJK–GRAND PRIZE PARIS 1900. ACETYLENE GAS AND CARBIDE OF nr. MIR TYPEWRITER the human frame-the entire value ride easier are safer and tori easily mended than any SECTORLESS WIMSHURST MACHINE. SATISFACTION GUARANTEED. Acetylene Gas Generation PERFECTED. J. B. COLT CO. Boston. Chicago. Philadelphia. 6 Building Edition Scientific American SINGLE NUMBERS 25 CENTS. NEW DEPARTMENTS. Monthly Comment. Interviews with Architects. New Books. New Building Patents. Notes and Queries. Digest of Current Articles. MUNN leit. C Publishers 361 Broadway New York. WILL SHIP CI O. DI FOR $25.00 WITH PRIVILEGE OF

. The World almanac and encyclopedia. anship, fine finish, simple design, the best of material and perfect opera-tion, write for Catalog H. NICHOLAS POWER COMPANY, 115=117 Nassau St., New York ?» ASK THE MAN WHO HAS ONE. Gas for Light,For CooKing,For Heating, &c. at much less costthan city gas, bet-ter, safer, andcheaper than elec-tricity, and cost-ing much lessthan acetylene ; issafer, less atten-tion,cleaner. Mostdurable and leastexpensive appara-tus to maintain in effective perpetual operation. Gives services of lighting, cooking,and heating, and operating pumping engines. Fullest satisfact Stock Photo

RM2AG9NRJ–. The World almanac and encyclopedia. anship, fine finish, simple design, the best of material and perfect opera-tion, write for Catalog H. NICHOLAS POWER COMPANY, 115=117 Nassau St., New York ?» ASK THE MAN WHO HAS ONE. Gas for Light,For CooKing,For Heating, &c. at much less costthan city gas, bet-ter, safer, andcheaper than elec-tricity, and cost-ing much lessthan acetylene ; issafer, less atten-tion,cleaner. Mostdurable and leastexpensive appara-tus to maintain in effective perpetual operation. Gives services of lighting, cooking,and heating, and operating pumping engines. Fullest satisfact

Acetylene Gas Generation PERFECTED. J. B. COLT CO. Dept. S 21 Barclay St. New York. Boston. Chicago. Philadelphia. STEWARD'S WONDER 0? . STYLE 0003. „ VICTORIA TOP. Note Change of Executive Offices from BROADWAY NEW YORK to 7 EAST 42d STREET THE 7 East 42d Street New York. 1, scientific american, 1901-05-18 Stock Photo

RM2ABXMR7–Acetylene Gas Generation PERFECTED. J. B. COLT CO. Dept. S 21 Barclay St. New York. Boston. Chicago. Philadelphia. STEWARD'S WONDER 0? . STYLE 0003. „ VICTORIA TOP. Note Change of Executive Offices from BROADWAY NEW YORK to 7 EAST 42d STREET THE 7 East 42d Street New York. 1, scientific american, 1901-05-18

Railway and Locomotive Engineering . DUNERCAR CLOSETS DUNER CO.. The Norwalk Iron Works Co. SOUTH NORWALK, CONN. Makers of Air and Gas Compfessore For All PurpoasaSmnd for Cataloi Rl,l%SLeEn)ineeriii| A Practical Journal of Motive Power, Rolling Stock and Appliances i Vol. XXIX. 114 Liberty Street, New York, August, 1916. No. 8 Origin and Manufacture of Oxy-Acetylene Details of Means and Methods for Its Use As early as 1862 experiments had been in water produced a gas which, wiien ig- carhide will produce about five and one-made with a mixture of charcoal, zinc and nited, burns with a bright f Stock Photo

RM2AKX027–Railway and Locomotive Engineering . DUNERCAR CLOSETS DUNER CO.. The Norwalk Iron Works Co. SOUTH NORWALK, CONN. Makers of Air and Gas Compfessore For All PurpoasaSmnd for Cataloi Rl,l%SLeEn)ineeriii| A Practical Journal of Motive Power, Rolling Stock and Appliances i Vol. XXIX. 114 Liberty Street, New York, August, 1916. No. 8 Origin and Manufacture of Oxy-Acetylene Details of Means and Methods for Its Use As early as 1862 experiments had been in water produced a gas which, wiien ig- carhide will produce about five and one-made with a mixture of charcoal, zinc and nited, burns with a bright f

CLASSES RENDER DEFECTIVE VISION CHRONIC. ILLUSTRATED TREATISE ON THE THE IDEAL COMPANY 239 BROADWAY EXCLUSIVE EXCELLENCE. Columbian Spirit. MANHATTAN SPIRIT CO. STEWARD'S WONDER ACETYLENE BURNERS 'AtiVI.`;= Vi'VE' CHARTER ENGINE CHARTER GAS ENGINE CO Box 148 STERLING. ILL. TYPEWRITER MACHINE Yost Writing Machine Co. NEW YORK CITY. LONDON ENO. l'Auto=Sparker FOR PIER OF BRAINS MARS the most favorable climatic conditions and from the mildest blends of Havana to bacco. If we had to pay the imported CORTEZ CIGAR CO. KEY WEST. WE HELP FREDERICK Stain Stainoff THE D. M. STEWARD MFO. CO. the Stock Photo

RM2ABXPBW–CLASSES RENDER DEFECTIVE VISION CHRONIC. ILLUSTRATED TREATISE ON THE THE IDEAL COMPANY 239 BROADWAY EXCLUSIVE EXCELLENCE. Columbian Spirit. MANHATTAN SPIRIT CO. STEWARD'S WONDER ACETYLENE BURNERS 'AtiVI.`;= Vi'VE' CHARTER ENGINE CHARTER GAS ENGINE CO Box 148 STERLING. ILL. TYPEWRITER MACHINE Yost Writing Machine Co. NEW YORK CITY. LONDON ENO. l'Auto=Sparker FOR PIER OF BRAINS MARS the most favorable climatic conditions and from the mildest blends of Havana to bacco. If we had to pay the imported CORTEZ CIGAR CO. KEY WEST. WE HELP FREDERICK Stain Stainoff THE D. M. STEWARD MFO. CO. the

. Raleigh Christian Advocate: organ of the North Carolina Conference, M.E. Church, South. athetic apprehension of Hebrew soul (Psa. 25: 1). Vow and pay unto the Lord, yourGod, etc. (P:a. 70. U).W« love him, because he first loved us (1 John (4: 10).; Exoept yA AAA CHURCHES CSiWW^WW^WWw . Lighted by the FRINK System of ReflectoI ^^^ ^^^^ ^ ^^^^ ^^^^ ^^^^ with Electric. Gas. Welsbach. Acetylene or C I.ICKXSED to manufacture electric and combinationJca> and electric fixtures. Send dimcr.si.ii:^ for estimate. h p. TRINK, tors ?Oi!6.-.1 INarlSt.NEW YORK. You cannot estimate the sunshineof heaven Stock Photo

RM2AG6841–. Raleigh Christian Advocate: organ of the North Carolina Conference, M.E. Church, South. athetic apprehension of Hebrew soul (Psa. 25: 1). Vow and pay unto the Lord, yourGod, etc. (P:a. 70. U).W« love him, because he first loved us (1 John (4: 10).; Exoept yA AAA CHURCHES CSiWW^WW^WWw . Lighted by the FRINK System of ReflectoI ^^^ ^^^^ ^ ^^^^ ^^^^ ^^^^ with Electric. Gas. Welsbach. Acetylene or C I.ICKXSED to manufacture electric and combinationJca> and electric fixtures. Send dimcr.si.ii:^ for estimate. h p. TRINK, tors ?Oi!6.-.1 INarlSt.NEW YORK. You cannot estimate the sunshineof heaven

BATH TUB CO. CHICAGO. RITERIOM RADE AfARK. Acetylene Gas GENERATORS pacity. From $15 up. 3.7 West 29th St. New York. Powerful Responsive Durable and Efficient. REEVES' Variable Speed Counter Shaft REEVES PULLEY CO Columbus Ind. U. S. A. BEST MACHINES HULLER'S and CLEANERS. PI:C00 MEN ENGINES FOR you KELSEY Sz CO. Mfrs. Meriden Conn. Burst Water Pipes a Ching of the Past THE PNEUMATIC DOME MANUFACTURING COMPANY 501 E Street Northwest Washington D. C. LITTLE HUSTLER 131 White Street New York. GaS Gasoline or Oil., scientific american, 1899-06-11 Stock Photo

RM2ABXJ0H–BATH TUB CO. CHICAGO. RITERIOM RADE AfARK. Acetylene Gas GENERATORS pacity. From $15 up. 3.7 West 29th St. New York. Powerful Responsive Durable and Efficient. REEVES' Variable Speed Counter Shaft REEVES PULLEY CO Columbus Ind. U. S. A. BEST MACHINES HULLER'S and CLEANERS. PI:C00 MEN ENGINES FOR you KELSEY Sz CO. Mfrs. Meriden Conn. Burst Water Pipes a Ching of the Past THE PNEUMATIC DOME MANUFACTURING COMPANY 501 E Street Northwest Washington D. C. LITTLE HUSTLER 131 White Street New York. GaS Gasoline or Oil., scientific american, 1899-06-11

. Raleigh Christian Advocate: organ of the North Carolina Conference, M.E. Church, South. p^ OuALCw i. St. BALTIMOaS. KO f^tk AAA CHURCHES fi^W%WWW ^^S^^^ ^y ^^e FRINK System of ReflectcW with Electric. Gas. Welsbach. Acetylene or C 1-KKNSED to manufacture electric and combinationtras and eltrtric lixtiires. Send diuuiiviiiti;. for »stim:ite. ors. AcetyleneorOil I. P. f RINK, ^>*•^*- NEW YORK. ZACHARY & ZACHARY,. ArtisticWood Mantels, Tiles, Grates and Fireplace Trimmings .^11 kitidfBuilders Supplies. I Contractors and Builders, 108 West Martin Street,RALEIGH. N. C. Piioie 382. Write fo Stock Photo

RM2AG62H7–. Raleigh Christian Advocate: organ of the North Carolina Conference, M.E. Church, South. p^ OuALCw i. St. BALTIMOaS. KO f^tk AAA CHURCHES fi^W%WWW ^^S^^^ ^y ^^e FRINK System of ReflectcW with Electric. Gas. Welsbach. Acetylene or C 1-KKNSED to manufacture electric and combinationtras and eltrtric lixtiires. Send diuuiiviiiti;. for »stim:ite. ors. AcetyleneorOil I. P. f RINK, ^>*•^*- NEW YORK. ZACHARY & ZACHARY,. ArtisticWood Mantels, Tiles, Grates and Fireplace Trimmings .^11 kitidfBuilders Supplies. I Contractors and Builders, 108 West Martin Street,RALEIGH. N. C. Piioie 382. Write fo

that Boils. Acetylene Gas Burners. Schwarz Perfection Lava Burner. M. KIRCHBERGER & CO. 50 Warren Street New York. FOR VEHICLE AND MARINE PURPOSES. . 'FOR GOOD MUSIC PROSPECTIVE BOAT BUYERS. from a set of my Boat REY) MEART 3545 DeKalb St. St Louis Mo. DURABLE DESKS AMERICAN STORE STOOL CO 33 Howard St. New York NON-ABSORBENT HYGIENICAIDORLESS. AUTOMOBILE STEAM BOILERS CORPORATIONS RAILROADS AND MANUFACTURERS SYRACUSE NY S.A A GERM-PROOF FILTER Hygeia Filter Co 54 First St Detroit Mich 'HOT BATH IN ONE MINUTE' FOR ONE CENT. Humphrey Crescent Heater HUMPHREY MFG. & PLATING CO. Kalamazo Mich. 1 Stock Photo

RM2ABXMFH–that Boils. Acetylene Gas Burners. Schwarz Perfection Lava Burner. M. KIRCHBERGER & CO. 50 Warren Street New York. FOR VEHICLE AND MARINE PURPOSES. . 'FOR GOOD MUSIC PROSPECTIVE BOAT BUYERS. from a set of my Boat REY) MEART 3545 DeKalb St. St Louis Mo. DURABLE DESKS AMERICAN STORE STOOL CO 33 Howard St. New York NON-ABSORBENT HYGIENICAIDORLESS. AUTOMOBILE STEAM BOILERS CORPORATIONS RAILROADS AND MANUFACTURERS SYRACUSE NY S.A A GERM-PROOF FILTER Hygeia Filter Co 54 First St Detroit Mich 'HOT BATH IN ONE MINUTE' FOR ONE CENT. Humphrey Crescent Heater HUMPHREY MFG. & PLATING CO. Kalamazo Mich. 1

Official catalogue and guide book to the Pan-American exposition .. . is,Mo. Generators. Electro Lamp Co., 45 Broadway,N. Y. Acet. gas appliances. Fiatan, Green House & Car Light-ing Co., St. Louis, Mo. Generators. Miller & Co., Edward, Meriden,Conn. Acet. gas appliances. Pan-American Acetylene Co., Buf-falo, N. Y. Generators. Power Specialty Co., New York,N. Y. Generators. Sober, C. K. & Porter. Acet. Gasappliances. Sunlight Gas Machine Co., The,208 Greenwich St., N. Y. Generators.The riub-Marine Acetylene Gas Gen-erator is never opened, insuring abso-lute safety. Gas purified in large vol-um Stock Photo

RM2AKKX87–Official catalogue and guide book to the Pan-American exposition .. . is,Mo. Generators. Electro Lamp Co., 45 Broadway,N. Y. Acet. gas appliances. Fiatan, Green House & Car Light-ing Co., St. Louis, Mo. Generators. Miller & Co., Edward, Meriden,Conn. Acet. gas appliances. Pan-American Acetylene Co., Buf-falo, N. Y. Generators. Power Specialty Co., New York,N. Y. Generators. Sober, C. K. & Porter. Acet. Gasappliances. Sunlight Gas Machine Co., The,208 Greenwich St., N. Y. Generators.The riub-Marine Acetylene Gas Gen-erator is never opened, insuring abso-lute safety. Gas purified in large vol-um

ONE PIECE FAUBER U.S.A. CARBORUNDUM Winton Motor Carriage THE WINTON MOTOR CARRIAGE CO. Cleveland Ohio. Camp. BURNS ACETYLENE GAS. CALCIUM KING LAMP CO. Waterbury Conn. the typewriter Exchange Pi Barclay St NEW YORK 124 La Salle St. CHICAGO 38 Bromfield St. BOSTON 817 Wyandotte St. KANSAS CITY MO. 209 North 9th St. ST. LOUIS MO. THE BICYCLE: ITS INFLUENCE IN HIGH GRADE Wsga? MACHINERY Single Machines or Com plete Equipments for Any Class of Work. J. A. FAY it CO. 10-30 John St CINCINNATI OHI JI Rigid Examination Reveals lb o Defects. NO BETTER BICYCLE CAN BE MADE BUILT tikt A WATCH' Sterim Stock Photo

RM2ABXHXW–ONE PIECE FAUBER U.S.A. CARBORUNDUM Winton Motor Carriage THE WINTON MOTOR CARRIAGE CO. Cleveland Ohio. Camp. BURNS ACETYLENE GAS. CALCIUM KING LAMP CO. Waterbury Conn. the typewriter Exchange Pi Barclay St NEW YORK 124 La Salle St. CHICAGO 38 Bromfield St. BOSTON 817 Wyandotte St. KANSAS CITY MO. 209 North 9th St. ST. LOUIS MO. THE BICYCLE: ITS INFLUENCE IN HIGH GRADE Wsga? MACHINERY Single Machines or Com plete Equipments for Any Class of Work. J. A. FAY it CO. 10-30 John St CINCINNATI OHI JI Rigid Examination Reveals lb o Defects. NO BETTER BICYCLE CAN BE MADE BUILT tikt A WATCH' Sterim

. The car builders' dictionary; an illustrated vocabulary of terms which designate American railway cars, their parts, attachments, and details of construction .. . Fig. 152. Interior of Parlor Car. Pere Marquette R. R.Acetylene Gas Equipment. Fig. 153. Interior of Parlor Car Chenango. N. Y., O. & W. Harlan & Hollingsworth, Builders.. Fig. 154. Parlor Car Chenango. New York, Ontario & Western.Harlan & Hollingsworth, Builders. (41) Figs. 155-159 CARS, Passenger; General Views. Stock Photo

RM2CH6P7R–. The car builders' dictionary; an illustrated vocabulary of terms which designate American railway cars, their parts, attachments, and details of construction .. . Fig. 152. Interior of Parlor Car. Pere Marquette R. R.Acetylene Gas Equipment. Fig. 153. Interior of Parlor Car Chenango. N. Y., O. & W. Harlan & Hollingsworth, Builders.. Fig. 154. Parlor Car Chenango. New York, Ontario & Western.Harlan & Hollingsworth, Builders. (41) Figs. 155-159 CARS, Passenger; General Views.

ACETYLENE APPARATUS The Perfection of Pipe Threading NICKEL STILLSON WRENCH WORK SHOPS MACHINERY --roh THE OBER LATHES SUB-PRESS PUNCHES AND DIES PERFORATED METALS Queen Transits and Levels THE QUEEN II new Button BUILD YOUR OWN ENGINE. Horseless Vehicles Author of' 'Cam Gasolene and 0 Vapor Engines and 'Meellaniest1 Movetnentp Devices and AppIlaneer' MUNN & CO. 361 Broadway New York RdAIN6 .W FABER GAS-ENG1NE & Co., scientific american, 1900-07-14 Stock Photo

RM2ABXKJ5–ACETYLENE APPARATUS The Perfection of Pipe Threading NICKEL STILLSON WRENCH WORK SHOPS MACHINERY --roh THE OBER LATHES SUB-PRESS PUNCHES AND DIES PERFORATED METALS Queen Transits and Levels THE QUEEN II new Button BUILD YOUR OWN ENGINE. Horseless Vehicles Author of' 'Cam Gasolene and 0 Vapor Engines and 'Meellaniest1 Movetnentp Devices and AppIlaneer' MUNN & CO. 361 Broadway New York RdAIN6 .W FABER GAS-ENG1NE & Co., scientific american, 1900-07-14

. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . at the Chicago office,Peoples Gas building. GOLD CarHeating ft LightingCompany Manufacturers of ELECTRIC,STEAM ANDHOT WATERHEATINGAPPARATUS FOR RAILWAY CARS VENTILATORS FOR PASSENGER AND REFRIGER- ATOR CARS ACETYLENE SYSTEMOF CAR LIGHTING Send for circular of our combina-tion PRESSURE AND VAPORSYSTEM OF CAR HEATING,which system automatically main-tains about the same temperature inthe car regardless of the outsideweather conditions. Main Office, Whitehall Building 17 BATTERY PLACE NEW YORK Au Stock Photo

RM2CH2HM4–. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . at the Chicago office,Peoples Gas building. GOLD CarHeating ft LightingCompany Manufacturers of ELECTRIC,STEAM ANDHOT WATERHEATINGAPPARATUS FOR RAILWAY CARS VENTILATORS FOR PASSENGER AND REFRIGER- ATOR CARS ACETYLENE SYSTEMOF CAR LIGHTING Send for circular of our combina-tion PRESSURE AND VAPORSYSTEM OF CAR HEATING,which system automatically main-tains about the same temperature inthe car regardless of the outsideweather conditions. Main Office, Whitehall Building 17 BATTERY PLACE NEW YORK Au

LITTLE WONDER 1904 Models 500 Second -Hand Wheels PERFORATED METALS The Hytrophant J. S. F. HUDDLES TON 2.0 Devonshire St. Heston NIAGARA FALLS ACETYLENE GAS PATENTS Trade Marks Designs Experience Scientific American Branch Office 051' Bt. Washington D. C. A printed copy of the spealcation and drawing York. address Munn & Co. 361 Broadway New York MODELS Hoggson Pocket Time Stamp 1904 SCIENTIFIC AMERICAN INC, 1904-04-16 Stock Photo

RM2ABXW7M–LITTLE WONDER 1904 Models 500 Second -Hand Wheels PERFORATED METALS The Hytrophant J. S. F. HUDDLES TON 2.0 Devonshire St. Heston NIAGARA FALLS ACETYLENE GAS PATENTS Trade Marks Designs Experience Scientific American Branch Office 051' Bt. Washington D. C. A printed copy of the spealcation and drawing York. address Munn & Co. 361 Broadway New York MODELS Hoggson Pocket Time Stamp 1904 SCIENTIFIC AMERICAN INC, 1904-04-16

. The Suburbanite; a monthly magazine for those who are and those who ought to in interested in suburban homes . u^; I!nn h. I ■.;l.i.-l .-itl C li > .r-r.,f >t. r fe •fj. ACETYLENE GAS^GENERATORS solve the problem of isolated lightingand afford a beautiful, economicalLght for any buildmg, anywhere Write for C^taloguL V. I. —Fret- J. B. COLT CO. 2 I Barclay Street New York W. C COLLINS Real Cstaic and Insurance fluent Commissioner of DeedsNotar> Public -: -: -Z No. 221 Ocean Avenue Greenville, N. J. COLVILLE Real Estate and Insurance A^ent 7I8 Avenue D. Bayonne, N. JOne Block from 33d Stock Photo

RM2CH75YK–. The Suburbanite; a monthly magazine for those who are and those who ought to in interested in suburban homes . u^; I!nn h. I ■.;l.i.-l .-itl C li > .r-r.,f >t. r fe •fj. ACETYLENE GAS^GENERATORS solve the problem of isolated lightingand afford a beautiful, economicalLght for any buildmg, anywhere Write for C^taloguL V. I. —Fret- J. B. COLT CO. 2 I Barclay Street New York W. C COLLINS Real Cstaic and Insurance fluent Commissioner of DeedsNotar> Public -: -: -Z No. 221 Ocean Avenue Greenville, N. J. COLVILLE Real Estate and Insurance A^ent 7I8 Avenue D. Bayonne, N. JOne Block from 33d

MODEL TOURING CAR THE WINTON MOTOR CARRIAGE CO. DO NOT BUY practical KNOX AUTOMOBILE CO. SPHINGFIELD MASS. SPECIAL LIGHT RUNABOUT THE MOST MODERN AUTO. ELflORE AUTOMOBILES. ACETYLENE GAS AND CARBIDE OF TYPEWRITERS CONTROL OF FIRE.-VALUABLE PA GOLD MEDAL BRIGHTON BOSTON MASS. RIVETT LATHE 100% MORE LIMIT SHELBY 'USEFUL LIGHT.' SHELBY ELECTRIC CO.1 00 Fish St ShelbyO. EVOLUTION OF THE AMERICAN Lo THE IDEAL BED OR COUCH Columbian Spirit. MANHATTAN SPIRIT CO. Want Agency %1Dividend-Paying Mining Oil nnd e! eS 66 BROADWAY & 17 NEW ST NEW YORK. 'EVERY LINK IS RIGHT.' INDIANA CHAIN COMPANY Stock Photo

RM2ABXP2H–MODEL TOURING CAR THE WINTON MOTOR CARRIAGE CO. DO NOT BUY practical KNOX AUTOMOBILE CO. SPHINGFIELD MASS. SPECIAL LIGHT RUNABOUT THE MOST MODERN AUTO. ELflORE AUTOMOBILES. ACETYLENE GAS AND CARBIDE OF TYPEWRITERS CONTROL OF FIRE.-VALUABLE PA GOLD MEDAL BRIGHTON BOSTON MASS. RIVETT LATHE 100% MORE LIMIT SHELBY 'USEFUL LIGHT.' SHELBY ELECTRIC CO.1 00 Fish St ShelbyO. EVOLUTION OF THE AMERICAN Lo THE IDEAL BED OR COUCH Columbian Spirit. MANHATTAN SPIRIT CO. Want Agency %1Dividend-Paying Mining Oil nnd e! eS 66 BROADWAY & 17 NEW ST NEW YORK. 'EVERY LINK IS RIGHT.' INDIANA CHAIN COMPANY

. Electrical news and engineering . APPARATIS FOR GENERATING ACETYLENE GAS. Patentee: T. L. Willson, New York, N. Y., patented 5thNovember, 1895 ; 6 years. Claim.—The combination to form a gas-generating apparatusof a gas generator consisting of a chamber having a receptablefor carbide, a gas outlet from the upper part of the generator, awater inlet to the lower part thereof, and a source of water con-nected with said inlet under pressure sufficient to raise it abovethe level of the carbide, the whole adapted for automatic opera-tion controlled by the relative pressures of the water and thegen Stock Photo

RM2CDHC83–. Electrical news and engineering . APPARATIS FOR GENERATING ACETYLENE GAS. Patentee: T. L. Willson, New York, N. Y., patented 5thNovember, 1895 ; 6 years. Claim.—The combination to form a gas-generating apparatusof a gas generator consisting of a chamber having a receptablefor carbide, a gas outlet from the upper part of the generator, awater inlet to the lower part thereof, and a source of water con-nected with said inlet under pressure sufficient to raise it abovethe level of the carbide, the whole adapted for automatic opera-tion controlled by the relative pressures of the water and thegen

The Search for Work Salary-Raising Education ELECTRICAL ENGINEERING TAUGHT BY MAIL. ROSE POLYTECHNIC INSTITUTE WEL DRILLING Machines Golfer Your REFRIGERATING PIPES NONPAREIL CORK Acetylene Generators ARE PERFECT. Over 10000 Machines Sold. The Angle Lamp Economical Gas Engine Igniters Scientific American. EXERCISE AT HOME ' NEW' Marinette Iron Works Mfg. Co. Marinette Wis. U. S. A. D L .HOLDN NOVELTIES & PATENTED ARTICLES Experimental & Model Work LIGHT MANUFACTURING MODEL AND EXPERIMENTAL WORK. INVENTIONS PERFECTED. AMOU L TIED L MACHINE CO. 13 0 HST. NEW YORK PATTERN AND MODEL MAKERS Stock Photo

RM2ABXMW4–The Search for Work Salary-Raising Education ELECTRICAL ENGINEERING TAUGHT BY MAIL. ROSE POLYTECHNIC INSTITUTE WEL DRILLING Machines Golfer Your REFRIGERATING PIPES NONPAREIL CORK Acetylene Generators ARE PERFECT. Over 10000 Machines Sold. The Angle Lamp Economical Gas Engine Igniters Scientific American. EXERCISE AT HOME ' NEW' Marinette Iron Works Mfg. Co. Marinette Wis. U. S. A. D L .HOLDN NOVELTIES & PATENTED ARTICLES Experimental & Model Work LIGHT MANUFACTURING MODEL AND EXPERIMENTAL WORK. INVENTIONS PERFECTED. AMOU L TIED L MACHINE CO. 13 0 HST. NEW YORK PATTERN AND MODEL MAKERS

. The World almanac and encyclopedia . Make YourOwn Gas! ^ MAKE ONLY WHAT YOUUSE AND AS YOU USE IT. Light for light at almost half the cost of coal gas and at Used in hundreds of the best homes in tteUnUed States ^^ Sa!f=^iraltier°^^^^^^^^^ ^^ ^-^ ^— as with ordinary gns. Any Intelligent Person Can Operate the . Boumonville Acetylene*^ Gas Generator. .ry^SleiTplEfairSro^l.? ^r, ti ^rS^S^^ B. &G. MODEL A. WITHOFFER SELF-FEED. •would Almakac. for an illustra.eu y.xu^.^v. ..^^„ r^*^*.^r.^r BournonviUe Acetylene Gas Generf ^r Company, 229 Broadway, New York L-ity. I STUYVESANT FISH, EDWARD E. POOR Stock Photo

RM2CH34XA–. The World almanac and encyclopedia . Make YourOwn Gas! ^ MAKE ONLY WHAT YOUUSE AND AS YOU USE IT. Light for light at almost half the cost of coal gas and at Used in hundreds of the best homes in tteUnUed States ^^ Sa!f=^iraltier°^^^^^^^^^ ^^ ^-^ ^— as with ordinary gns. Any Intelligent Person Can Operate the . Boumonville Acetylene*^ Gas Generator. .ry^SleiTplEfairSro^l.? ^r, ti ^rS^S^^ B. &G. MODEL A. WITHOFFER SELF-FEED. •would Almakac. for an illustra.eu y.xu^.^v. ..^^„ r^*^*.^r.^r BournonviUe Acetylene Gas Generf ^r Company, 229 Broadway, New York L-ity. I STUYVESANT FISH, EDWARD E. POOR

NGINE & FOOT DIECLIPPEACLIP 'CARTER SCHIEKEN BELTING CHAS. A. SCH1EREN & CO. Counters Booklet Free VEEDER MFG. CO. Hartf ord Conn. A BIG SAVING in GAS ACETYLENE GAS WEL GENERATOR 7Irt NIAGARA FALLS ACETYLENE GAS A Constant Water Supply Chester. Pa. INDUCTION BROOKLINE MASS NO LOOP-HOLES Volt Ammeters L. M. PIGNOLET 80 Cortia.ndt St. New York N.Y. OUR BUSINESS IS TO MAKE. MACHINERY FOR GRINDING POLvERIZING ALL HARD SUB STANCES. WE HANDLE ALL KINDS OF MATERIALS FROM COT TON-SEED TO ROOTS AND HERBS ANY KIND OF A MILL OR GRINDING 'MACHINE COME TO CET THE BEST 55 Grand Street New York +. .13. F Stock Photo

RM2ABXW41–NGINE & FOOT DIECLIPPEACLIP 'CARTER SCHIEKEN BELTING CHAS. A. SCH1EREN & CO. Counters Booklet Free VEEDER MFG. CO. Hartf ord Conn. A BIG SAVING in GAS ACETYLENE GAS WEL GENERATOR 7Irt NIAGARA FALLS ACETYLENE GAS A Constant Water Supply Chester. Pa. INDUCTION BROOKLINE MASS NO LOOP-HOLES Volt Ammeters L. M. PIGNOLET 80 Cortia.ndt St. New York N.Y. OUR BUSINESS IS TO MAKE. MACHINERY FOR GRINDING POLvERIZING ALL HARD SUB STANCES. WE HANDLE ALL KINDS OF MATERIALS FROM COT TON-SEED TO ROOTS AND HERBS ANY KIND OF A MILL OR GRINDING 'MACHINE COME TO CET THE BEST 55 Grand Street New York +. .13. F

Canadian transportation & distribution management . WINNIPEGVANCOUVER. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE:80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO Stock Photo

RM2AN8CRY–Canadian transportation & distribution management . WINNIPEGVANCOUVER. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE:80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO

Efficient Safest Simple and Economical Use. NIAGARA FALLS ACETYLENE GAS MACHINE C Niagara Falls. N.Y. and Canada. FOR VEHICLE AND MARINE PURPOSES. NICKEL AND Eleetro-Plating Apparatus and Material. THE Hanson& VanWinkla SENECA FALLS MFG. CO. Seneca Falls N.Y. U.S. A. Montgomery & Co.'s Tool Catalogue. MONTGOMERY & CO. 105 Fulton St. New York City. FOR LIGHT AND MEDIUM WORK F. BARNES B. F. BARNES COMPANY Rockford Ill., scientific american, 1901-05-11 Stock Photo

RM2ABXMR0–Efficient Safest Simple and Economical Use. NIAGARA FALLS ACETYLENE GAS MACHINE C Niagara Falls. N.Y. and Canada. FOR VEHICLE AND MARINE PURPOSES. NICKEL AND Eleetro-Plating Apparatus and Material. THE Hanson& VanWinkla SENECA FALLS MFG. CO. Seneca Falls N.Y. U.S. A. Montgomery & Co.'s Tool Catalogue. MONTGOMERY & CO. 105 Fulton St. New York City. FOR LIGHT AND MEDIUM WORK F. BARNES B. F. BARNES COMPANY Rockford Ill., scientific american, 1901-05-11

Canadian transportation & distribution management . 32 CANADIAN RAILWAY AND MARINE WORLD July, 1921.. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, NJ.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO Stock Photo

RM2AM8F3G–Canadian transportation & distribution management . 32 CANADIAN RAILWAY AND MARINE WORLD July, 1921.. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, NJ.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO

more about it 7-Ask for our book WILLIAM S. HAINES CO. elffort ehipdthe force BY MAIL.' or Architectural Draughtsmen Elec trical or Steam Engineers Archi tects Surveyors Ch enlists Corres Box 942 Scranton Pa. A Technical Education ACETYLENE APPARATUS GAS ENGINE WEBSTER MFG. CO. Calcium Carbide FOR EXPORT. E. A. NERESHEIMER yr borne Patent Cu Hold- ' American Ring Co Box P. Waterbury 1TR ROCHESTER OPTICAL Mechanical Movements Powers Devices and Appliances. MUNN & CO. Publishers 361 Broadway New York., scientific american, 1899-12-11 Stock Photo

RM2ABXJP7–more about it 7-Ask for our book WILLIAM S. HAINES CO. elffort ehipdthe force BY MAIL.' or Architectural Draughtsmen Elec trical or Steam Engineers Archi tects Surveyors Ch enlists Corres Box 942 Scranton Pa. A Technical Education ACETYLENE APPARATUS GAS ENGINE WEBSTER MFG. CO. Calcium Carbide FOR EXPORT. E. A. NERESHEIMER yr borne Patent Cu Hold- ' American Ring Co Box P. Waterbury 1TR ROCHESTER OPTICAL Mechanical Movements Powers Devices and Appliances. MUNN & CO. Publishers 361 Broadway New York., scientific american, 1899-12-11

Canadian transportation & distribution management . CHICAGO THESE DEVICES ARE VERY EXTENSIVELY USED A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO. September, 1921. CANADIAN RAILWAY AND MARINE Stock Photo

RM2AM22X8–Canadian transportation & distribution management . CHICAGO THESE DEVICES ARE VERY EXTENSIVELY USED A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO. September, 1921. CANADIAN RAILWAY AND MARINE

no attention will be paid thereto. ACETYLENE GAS AND CARBIDE OF EARN MORE WHILE LEARNING ELECTRO MOTOR SIMPLE HOW TO THE PROF. ALBERT VERNON STRENGTH BEAUTY DU RABILITY American Tubular Wheel C 5917 Penn Ave. Pittsburg Pa. Branch Office. NM F St. Washington. D. C. 349 Broadway New York. PUNCTUREPROOT :SELF-HEALINCr p34DG REGULAR 007.0 required on our Bicycles In advance. Since starting our special effort to attract attention to the Nickel Plate Rd. and its superior facilities and at PUBLIC SALE Woolen and Worsted Mills MODEL PRESS 706 Chestnut si Languages Taught by Mail ELECTRICAL Stock Photo

RM2ABXP60–no attention will be paid thereto. ACETYLENE GAS AND CARBIDE OF EARN MORE WHILE LEARNING ELECTRO MOTOR SIMPLE HOW TO THE PROF. ALBERT VERNON STRENGTH BEAUTY DU RABILITY American Tubular Wheel C 5917 Penn Ave. Pittsburg Pa. Branch Office. NM F St. Washington. D. C. 349 Broadway New York. PUNCTUREPROOT :SELF-HEALINCr p34DG REGULAR 007.0 required on our Bicycles In advance. Since starting our special effort to attract attention to the Nickel Plate Rd. and its superior facilities and at PUBLIC SALE Woolen and Worsted Mills MODEL PRESS 706 Chestnut si Languages Taught by Mail ELECTRICAL

Canadian transportation & distribution management . The T. H. Symington Company New York Baltimore Chicago. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.M0BERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO 28 CANADIAN RAILWAY AND MARINE WORLD J Stock Photo

RM2AN3P0Y–Canadian transportation & distribution management . The T. H. Symington Company New York Baltimore Chicago. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.M0BERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO 28 CANADIAN RAILWAY AND MARINE WORLD J

ARITHMETIC Tours Include all expenses On almost every GOOD Car Contains ready-generated Acetylene Gas ready for use at any time at the turn of the key. PHOTOSCOPE. STUDY High Grade INSTRUCTION By CORRESPONDENCE LA 60 YEARS' EXPERIENCE PATENTS' TRADE MARKS DESIGNS COPYRIGHTS &O. Scientific JImerican. address Munn & Co. 361 Broadway New York. 'KNIPE' NOVELTIES & PATENTED ARTICLES TlIc.SCH ERDTLE STAMP CO. Specialties & Patents Bought niSold A. Experimental&Model Work FREE Venlirlirr8 BOOK & EXPERIMENTAL WORK E. V. BAILLARD. 24 Frankfort Street. New York. MODELS MAKE MONEY Enagexnen Dearborn Stock Photo

RM2ABY18N–ARITHMETIC Tours Include all expenses On almost every GOOD Car Contains ready-generated Acetylene Gas ready for use at any time at the turn of the key. PHOTOSCOPE. STUDY High Grade INSTRUCTION By CORRESPONDENCE LA 60 YEARS' EXPERIENCE PATENTS' TRADE MARKS DESIGNS COPYRIGHTS &O. Scientific JImerican. address Munn & Co. 361 Broadway New York. 'KNIPE' NOVELTIES & PATENTED ARTICLES TlIc.SCH ERDTLE STAMP CO. Specialties & Patents Bought niSold A. Experimental&Model Work FREE Venlirlirr8 BOOK & EXPERIMENTAL WORK E. V. BAILLARD. 24 Frankfort Street. New York. MODELS MAKE MONEY Enagexnen Dearborn

Canadian transportation & distribution management . A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, NJ.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO C.M.C. SaveMoney !. Get the advantages M a large Lathe for the price of amedium one by installi Stock Photo

RM2AKWR7E–Canadian transportation & distribution management . A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, NJ.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO C.M.C. SaveMoney !. Get the advantages M a large Lathe for the price of amedium one by installi

ELEVEN-INCH SCREW CUTTING LATHE B. F. BARNES COMPANY Rockford. III KENT POCKET METERS Our Specialty ROW SAIL AND PLEASURE BOATS ARMSTRONG'S No. 0 THREADING MACHINE WORK SHOPS BARNES' FOOT POWER MACHIN ERY STIMULATION without IRRITATION EVANS VACUUM CAP CO. Better Light-Less Cost 'CARTER ACETYLENE GAS NIAGARA FALLS ACETYLENE GAS MACHINE CO. Niagara Falls. N. Y. U. S. A. LIQUID PISTOL NO LOOP-HOLES Gas Engine IGNITER THE CLIPPER CLIP CLIPPER MFG. CO. The Franklin Dynam BARKER MOTORS Volt Ammeters 80 Cortlandt St. New York N.Y., scientific american, 1904-04-02 Stock Photo

RM2ABXW64–ELEVEN-INCH SCREW CUTTING LATHE B. F. BARNES COMPANY Rockford. III KENT POCKET METERS Our Specialty ROW SAIL AND PLEASURE BOATS ARMSTRONG'S No. 0 THREADING MACHINE WORK SHOPS BARNES' FOOT POWER MACHIN ERY STIMULATION without IRRITATION EVANS VACUUM CAP CO. Better Light-Less Cost 'CARTER ACETYLENE GAS NIAGARA FALLS ACETYLENE GAS MACHINE CO. Niagara Falls. N. Y. U. S. A. LIQUID PISTOL NO LOOP-HOLES Gas Engine IGNITER THE CLIPPER CLIP CLIPPER MFG. CO. The Franklin Dynam BARKER MOTORS Volt Ammeters 80 Cortlandt St. New York N.Y., scientific american, 1904-04-02

RM2AM58XB–Canadian transportation & distribution management . The T. H. Symington Company New York Baltimore Chicago. A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE:80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO 28 CANADIAN RAILWAY AND MARINE WORLD Au

Four-cylinder Light Touring-car $1800 Six-cylinder Touring-car $4000 KING FOLDING CANVAS BOATS KING FOLDING BOAT C 688 North Street KALAMAZO MICH. STATIONARY RUBBER MODELS MODELS leCHICAGO MODEL WORKS Foot and Power Lathes ilk UNION MODEL WORKS Signs Boxes. Souvenirs & Novelties STAMPINGS - MODELS EXPER. WORK WRITE FOR FREE BOOKLET THE CLOSE MACHINE at STAMPING CO. 970 H9mIlton St. Cleveland 0. Acetylene Gas Users AMERICAN LAVA COMPANY Chattanooga Tenn. STEEL'I'IPEWR-I-TER TYPE GEM CITY WIND MILL Dayton Supply Co. Dayton Ohio. HANG IT THE BERKEFELD FILTER BERREFELD FILTER CO. 4 Cedar Street Stock Photo

RM2ABY055–Four-cylinder Light Touring-car $1800 Six-cylinder Touring-car $4000 KING FOLDING CANVAS BOATS KING FOLDING BOAT C 688 North Street KALAMAZO MICH. STATIONARY RUBBER MODELS MODELS leCHICAGO MODEL WORKS Foot and Power Lathes ilk UNION MODEL WORKS Signs Boxes. Souvenirs & Novelties STAMPINGS - MODELS EXPER. WORK WRITE FOR FREE BOOKLET THE CLOSE MACHINE at STAMPING CO. 970 H9mIlton St. Cleveland 0. Acetylene Gas Users AMERICAN LAVA COMPANY Chattanooga Tenn. STEEL'I'IPEWR-I-TER TYPE GEM CITY WIND MILL Dayton Supply Co. Dayton Ohio. HANG IT THE BERKEFELD FILTER BERREFELD FILTER CO. 4 Cedar Street

RM2AN60EB–Canadian transportation & distribution management . A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO. 4-6-2 TYPE LOCOMOTIVE Built for the Canadian National Railways We are specialists in building

WEBSTER'S INTERNATIONAL A J NEW EDITION UST ISSUED NEW PLATES THROUGHOUT BETTER THAN EVER FOR HOME. SCHOOL AND OFFICE GET THE BEST A Lime t .0)Ar SALARIED POSITIONS for LEARNERS International Correspondence Schools Box 042 Scranton Pa. DINION MODELWORKS SHORTHAND %2 H. P. GAS ENGINE CASTINGS Amm 130 0-TH ST. NEW YORK PATTERN AND MODEL MAKERS. & EXPERIMENTAL WORK. MODELS D. Li .H OLDEN K THE PRINCIPAL CHARACTERISTICS Yonkers N. Y. GASOLINE ENGINE BACKUS WATER MOTOR CO„ Newark N. J. U.S.A. '99 & '00 MODELS $7 to $12 We ship anywhere on l0 days ACETYLENE APPARATUS NOXALL INCUBATOR AND BROODER Stock Photo

RM2ABXMHA–WEBSTER'S INTERNATIONAL A J NEW EDITION UST ISSUED NEW PLATES THROUGHOUT BETTER THAN EVER FOR HOME. SCHOOL AND OFFICE GET THE BEST A Lime t .0)Ar SALARIED POSITIONS for LEARNERS International Correspondence Schools Box 042 Scranton Pa. DINION MODELWORKS SHORTHAND %2 H. P. GAS ENGINE CASTINGS Amm 130 0-TH ST. NEW YORK PATTERN AND MODEL MAKERS. & EXPERIMENTAL WORK. MODELS D. Li .H OLDEN K THE PRINCIPAL CHARACTERISTICS Yonkers N. Y. GASOLINE ENGINE BACKUS WATER MOTOR CO„ Newark N. J. U.S.A. '99 & '00 MODELS $7 to $12 We ship anywhere on l0 days ACETYLENE APPARATUS NOXALL INCUBATOR AND BROODER

RM2AM58AX–Canadian transportation & distribution management . A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE:80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO 28 CANADIAN RAILWAY AND MARINE WORLD August, 1921.. 4-6-2 TYPE LOCOMOTIVE Built for the Canadia

ELECTRICAL ENGINEERING If Your Eye Could See Berkefeld Filter Berkefeld Filter Co. 2 Cedar St. New York. Telephones AM FABER 1 CENT FOR 10 HOURS. THE MACIC LICHT CO. $250.00 A MONTH AND EXPENSES MADE. Magic Lamp MAKES ITS OWN GAS. ARTESIAN MANUFACTURE OF BICYCLES. - A GERE GASOLINE ENGINES CABIN--OPEN BOATS WAGER YAcm'apicHWE TOOKER'S PROCESS OF GILDING China Earthenware or Porcelain. GET A MOVE ON YOU „.„ ik ACETYLENE APPARATUS CROOKES TUBES AND ROENTGEN'S 50 YEARS' EXPERIENCE PATENTS Scientific American. U. S. COVERNMENT SOLD 10000 Spanish Mauser Rifles & Carbines Brass Baud Porter's humane Stock Photo

RM2ABXM1N–ELECTRICAL ENGINEERING If Your Eye Could See Berkefeld Filter Berkefeld Filter Co. 2 Cedar St. New York. Telephones AM FABER 1 CENT FOR 10 HOURS. THE MACIC LICHT CO. $250.00 A MONTH AND EXPENSES MADE. Magic Lamp MAKES ITS OWN GAS. ARTESIAN MANUFACTURE OF BICYCLES. - A GERE GASOLINE ENGINES CABIN--OPEN BOATS WAGER YAcm'apicHWE TOOKER'S PROCESS OF GILDING China Earthenware or Porcelain. GET A MOVE ON YOU „.„ ik ACETYLENE APPARATUS CROOKES TUBES AND ROENTGEN'S 50 YEARS' EXPERIENCE PATENTS Scientific American. U. S. COVERNMENT SOLD 10000 Spanish Mauser Rifles & Carbines Brass Baud Porter's humane

Canadian transportation & distribution management . nksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.M0BERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO 28 CANADIAN RAILWAY AND MARINE WORLD June, 1921. Nova Scotia Steel & Coal Co., Limited Can manufacture forcings up to 40 tons in weight to all Admiralty andLloyds Tests and specifications. Also can supply forgings of all shapes and size Stock Photo

RM2AN3NEE–Canadian transportation & distribution management . nksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, N.J.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.M0BERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO 28 CANADIAN RAILWAY AND MARINE WORLD June, 1921. Nova Scotia Steel & Coal Co., Limited Can manufacture forcings up to 40 tons in weight to all Admiralty andLloyds Tests and specifications. Also can supply forgings of all shapes and size

BUILD OWN MOTOR YOUR THE BUFFALO GASOLENE MOTOR. LAUNCH FACTURING CO. Box D RACINE WIS. ACETYLENE APPARATUS DON'T SEW ON BUTTONS! 12500 RECEIPTS. 708 PAGES. 361 BROADWAY NEW YORK. NICKEL PERFECT- PUMP - POWER. FOR FINE ACCURATE WORK . PHYSICAL AND SCHOOL APPARATUS . . INDUCTION CREAT POWER-SMALL COST. Gas and Gasoline Engines MILLS FOR ALL MATERIALS. H OivcE GET THE BEST SPROUT WALDRON & C O. MORAN FLEXIBLE JOINT ONITOR0°M0GUL STANDARD STRAINER CO. 37-40 MAIDEN LANE New York. Nickel-plated 25 cents. GAS ENGINE TUE FULLER MFG. C. = MARINE MOTORS oodform Closet Set-+ IT!'! Majestic, scientific Stock Photo

RM2ABXK7J–BUILD OWN MOTOR YOUR THE BUFFALO GASOLENE MOTOR. LAUNCH FACTURING CO. Box D RACINE WIS. ACETYLENE APPARATUS DON'T SEW ON BUTTONS! 12500 RECEIPTS. 708 PAGES. 361 BROADWAY NEW YORK. NICKEL PERFECT- PUMP - POWER. FOR FINE ACCURATE WORK . PHYSICAL AND SCHOOL APPARATUS . . INDUCTION CREAT POWER-SMALL COST. Gas and Gasoline Engines MILLS FOR ALL MATERIALS. H OivcE GET THE BEST SPROUT WALDRON & C O. MORAN FLEXIBLE JOINT ONITOR0°M0GUL STANDARD STRAINER CO. 37-40 MAIDEN LANE New York. Nickel-plated 25 cents. GAS ENGINE TUE FULLER MFG. C. = MARINE MOTORS oodform Closet Set-+ IT!'! Majestic, scientific

RM2AM8EFP–Canadian transportation & distribution management . A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, NJ.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO. The Genuine HANCOCK LOCO INSPIRATOR Types A. E.A. <& H.N.L. made inCanada exclusively by us

for Work Salary-Raising Education ELECTRICAL ENGINEERING TAUGHT BY MAIL. 'HOT BATH IN ONE MINUTE Humphrey Crescent Heater HUMPHREY MFG. & PLATING CO. Kalamazo Mich. ROSE POLYTECHNIC INSTITUTE Learn to Write 'Ads.' Che Bliss Electrical School AT HOME ' NEW''' PUNCHING BAG H. D. GRIPPEN DRIVING A PLEASURE H.P. GAS FNGINE CASTINGS SHORTHAND L TLED L MACHINE CO. 0 T. NEW Y RK. PATTERN AND MODEL MAKERS. MAKE FROM STANDARD GAS LAMP CO. w e.W &. GASOLINE ENGINE WANTED. Dixon's Pipe-Joint Compound. JOSEPH DIXON CRUCIBLE CO. ACETYLENE BRILLIANCE' OL 50 YEARS' EXPERIENCE PATENT; Scientific American Stock Photo

RM2ABXMTE–for Work Salary-Raising Education ELECTRICAL ENGINEERING TAUGHT BY MAIL. 'HOT BATH IN ONE MINUTE Humphrey Crescent Heater HUMPHREY MFG. & PLATING CO. Kalamazo Mich. ROSE POLYTECHNIC INSTITUTE Learn to Write 'Ads.' Che Bliss Electrical School AT HOME ' NEW''' PUNCHING BAG H. D. GRIPPEN DRIVING A PLEASURE H.P. GAS FNGINE CASTINGS SHORTHAND L TLED L MACHINE CO. 0 T. NEW Y RK. PATTERN AND MODEL MAKERS. MAKE FROM STANDARD GAS LAMP CO. w e.W &. GASOLINE ENGINE WANTED. Dixon's Pipe-Joint Compound. JOSEPH DIXON CRUCIBLE CO. ACETYLENE BRILLIANCE' OL 50 YEARS' EXPERIENCE PATENT; Scientific American

RM2AKNKR6–Canadian transportation & distribution management . A Great Many Large Plants Are Using COMMERCIALACETYLENE On Small Work Repairing a small cast iron bracket ata large shipbuilding plant. Our tanksare convenient, safe and guaranteed tohold quantity and quality gas. MAIN OFFICE: 80 Broadway, New York BRANCHES: ATLANTA, GA.AURORA, ILL.BOSTON, MASS.BOUND BROOK, NJ.EAST DEERFIELD, MASS.SAN FRANCISCO, CALIF.MOBERLY, MO.W. BERKELEY, CALIF. Commercial Acetylene SupplyCompany, Inc. 18 TORONTO STREET TORONTO XJ November, 1921. J CANADIAN RAILWAY AND MARINE WORLD 41 to; ONTO DRY DOCK COMPANY Harry J. Di

Power purposes. GAS and GASOLINE ENGINES. The Springfield Springfield 0. MOTSINGER DEVICE MFG. CO. Pendleton Indiana U. S. A. BARNES' UPRIGHT DRILLS W. F. &JOHN BARNES CO. IMPORTED Acetylene Gas Burners. M. KIRCHBERGER a.V CO. 50 Warren Street New York. ALL about the quality of a B. F. BARNES UPRICHT DRILL., scientific american, 1901-01-12 Stock Photo

RM2ABXM89–Power purposes. GAS and GASOLINE ENGINES. The Springfield Springfield 0. MOTSINGER DEVICE MFG. CO. Pendleton Indiana U. S. A. BARNES' UPRIGHT DRILLS W. F. &JOHN BARNES CO. IMPORTED Acetylene Gas Burners. M. KIRCHBERGER a.V CO. 50 Warren Street New York. ALL about the quality of a B. F. BARNES UPRICHT DRILL., scientific american, 1901-01-12

. The World almanac and encyclopedia . Operate the . Boumonville Acetylene*^ Gas Generator. .ry^SleiTplEfairSro^l.? ^r, ti ^rS^S^^ B. &G. MODEL A. WITHOFFER SELF-FEED. •would Almakac. for an illustra.eu y.xu^.^v. ..^^„ r^*^*.^r.^r BournonviUe Acetylene Gas Generf ^r Company, 229 Broadway, New York L-ity. I STUYVESANT FISH, EDWARD E. POOR, RICHARD DELAFIELD, Vice- President. President. Vice- President. GEORGE S. HICKOK, Cashier. EDWARD J,. BALDWIN, Asst Cashier. The Natioeal.Park Baek, OF NEW YORK. Capital, $2,000,000 Surplus, $3,000,000. Extensive Safety Vaults for the Convenienceof Depositors Stock Photo

RM2CH2ANJ–. The World almanac and encyclopedia . Operate the . Boumonville Acetylene*^ Gas Generator. .ry^SleiTplEfairSro^l.? ^r, ti ^rS^S^^ B. &G. MODEL A. WITHOFFER SELF-FEED. •would Almakac. for an illustra.eu y.xu^.^v. ..^^„ r^*^*.^r.^r BournonviUe Acetylene Gas Generf ^r Company, 229 Broadway, New York L-ity. I STUYVESANT FISH, EDWARD E. POOR, RICHARD DELAFIELD, Vice- President. President. Vice- President. GEORGE S. HICKOK, Cashier. EDWARD J,. BALDWIN, Asst Cashier. The Natioeal.Park Baek, OF NEW YORK. Capital, $2,000,000 Surplus, $3,000,000. Extensive Safety Vaults for the Convenienceof Depositors

1010 Chestnut St. Phila. Dainty Watches BLUESTONE HIGH PRESSURE PACKING Air. ACETYLENE EckhardStationaryGasoline Marine Engines . P. 9150 4 '250 FIRST GREAT INTERNATIONAL AUTOMOBILE EXHIBITION AND RACE MEET. MOST INTERESTING EXPOSITION. 75000 Sq. Feet of Exhibition Space ' WOLVERINE' Gas and Gasoline Engines WOLVERINE MOTOR WORKS Grand Rapids Illicit. Testing Introducing and Dis posing of Chemical Patents Pro cesses Novelties Formulas etc. PETER T. AUSTEN MONTGOMERY & CO.'S TOOL CATALOGUE. MONTGOMERY it CO. 105 FULTON STREET NEW YORK CITY. Daus' 'Tip Top' Duplicator 62-66 ILLINOIS ST CHICAGO Stock Photo

RM2ABXKMX–1010 Chestnut St. Phila. Dainty Watches BLUESTONE HIGH PRESSURE PACKING Air. ACETYLENE EckhardStationaryGasoline Marine Engines . P. 9150 4 '250 FIRST GREAT INTERNATIONAL AUTOMOBILE EXHIBITION AND RACE MEET. MOST INTERESTING EXPOSITION. 75000 Sq. Feet of Exhibition Space ' WOLVERINE' Gas and Gasoline Engines WOLVERINE MOTOR WORKS Grand Rapids Illicit. Testing Introducing and Dis posing of Chemical Patents Pro cesses Novelties Formulas etc. PETER T. AUSTEN MONTGOMERY & CO.'S TOOL CATALOGUE. MONTGOMERY it CO. 105 FULTON STREET NEW YORK CITY. Daus' 'Tip Top' Duplicator 62-66 ILLINOIS ST CHICAGO

WOLVERINE' Gas and Gasoline Engines STATIONARY and MARINE. WOLVERINE MOTOR WORKS Grand Rapids Misit ECONOMY IN GAS ENGINE IGNITERS . MOTsINGER DEVICE MFG. Cu Peadietno. A Cutter Milling Attachment FANEUIL WATCH TOOL CO. Briohton. Boston. Mass. (Continued on page 142 xwoiwsx'aP Color Photography 1314 Chestnut Street Philadelphia. TUBULAR DRIVING LAMP. R. E. DIETZ CO. 60 Laight Street. New York. Than Any Other Typewriter. MAIN OFFICE 309 BROADWAY NEW YORK. HOARD'S DAIRYMAN Ft Atkinson Wis. ACETYLENE APPARATUS The Olds Gasoline-Engine COalltliCaki08. I Lo Olds Motor Works A ROOF THAT IS Stock Photo

RM2ABXKP4–WOLVERINE' Gas and Gasoline Engines STATIONARY and MARINE. WOLVERINE MOTOR WORKS Grand Rapids Misit ECONOMY IN GAS ENGINE IGNITERS . MOTsINGER DEVICE MFG. Cu Peadietno. A Cutter Milling Attachment FANEUIL WATCH TOOL CO. Briohton. Boston. Mass. (Continued on page 142 xwoiwsx'aP Color Photography 1314 Chestnut Street Philadelphia. TUBULAR DRIVING LAMP. R. E. DIETZ CO. 60 Laight Street. New York. Than Any Other Typewriter. MAIN OFFICE 309 BROADWAY NEW YORK. HOARD'S DAIRYMAN Ft Atkinson Wis. ACETYLENE APPARATUS The Olds Gasoline-Engine COalltliCaki08. I Lo Olds Motor Works A ROOF THAT IS

SUPPLIED IN DIVIDENDS. Over 2000 were Paid by Us Highest Being 35% Lowest 12% DOUGLAS LACEY & CO. 66 BROADWAY a. 17 NEW ST. NEW YORK. Do You Raise Chicks' LARGEST CAMERA IN THE WORLD ANYBODY CAN PERFORATED METALS THF. SIMPLEX INTERIOR TELEPHONE CO. 431 Main St. Cincinnati Ohio. Acetylene Gas Burners. M. KIRCHBERGER S0 CO. 50 Warren Street New York. FRED MEDART Acetylene Gas Lighting Reduced to the most and Economical Use. Niagara Falls. N. Y. and Canada. Perfection Air° Mattresses perfectly satIsfac. the greatest value heard of the equal °Masks that others sell at almost double the high Stock Photo

RM2ABXME2–SUPPLIED IN DIVIDENDS. Over 2000 were Paid by Us Highest Being 35% Lowest 12% DOUGLAS LACEY & CO. 66 BROADWAY a. 17 NEW ST. NEW YORK. Do You Raise Chicks' LARGEST CAMERA IN THE WORLD ANYBODY CAN PERFORATED METALS THF. SIMPLEX INTERIOR TELEPHONE CO. 431 Main St. Cincinnati Ohio. Acetylene Gas Burners. M. KIRCHBERGER S0 CO. 50 Warren Street New York. FRED MEDART Acetylene Gas Lighting Reduced to the most and Economical Use. Niagara Falls. N. Y. and Canada. Perfection Air° Mattresses perfectly satIsfac. the greatest value heard of the equal °Masks that others sell at almost double the high

UNDERW Visible Writing Universal Keyboard Speed Touch. WACNER TYPEWRITER CO. WYCKOFF SEAMANS & BENEDICT 327 Broadway New York. AWARDED AT Exposition 1900 Acetylene Generators ARE PERFECT. Over 10000 Machines Sold. They are endorsed by every user. EAGLE GENERATOR COMPANY 319 N. 4th Street St. Louis Mo. xnamsxop Color Photograph 1324 Chestnut Street Philadelphia. Warren's Natural Asphalt Strong Surface Ready Roofing Description For Leather Paper Cloth & Rubber Our Auto Book which we will send you on receipt at 10c. In stamps will show you this. It you are going to porches. r1 eutomobile this Stock Photo

RM2ABXMGB–UNDERW Visible Writing Universal Keyboard Speed Touch. WACNER TYPEWRITER CO. WYCKOFF SEAMANS & BENEDICT 327 Broadway New York. AWARDED AT Exposition 1900 Acetylene Generators ARE PERFECT. Over 10000 Machines Sold. They are endorsed by every user. EAGLE GENERATOR COMPANY 319 N. 4th Street St. Louis Mo. xnamsxop Color Photograph 1324 Chestnut Street Philadelphia. Warren's Natural Asphalt Strong Surface Ready Roofing Description For Leather Paper Cloth & Rubber Our Auto Book which we will send you on receipt at 10c. In stamps will show you this. It you are going to porches. r1 eutomobile this

DESIGNS. IIKb ORDINARY RATES. Inside Page each insertion. - 75 cents a line Back Page each insertion $1.00 a Hne Walwortb's Solid Gas Blast 'furnaces GAS PRODUCERS PRESSURE BLOWERS. 23 John Street New York. N.Y. ROTARY PUMPS AND ENGINES: 'IteCellse.flbouteCools' MONTGOMERY &CO. FINE TOOLS IT SIMPLIFIES DIFFICULT WORK Threading and Cutting Machine GRAFTON STONE COMPANY drilling wells for house ries Ice Plants Brew eries Irrigation Coal and Mineral Prospecting Oil and Gas etc. Latest and Best. 30 AND SUPPLIES. CATALOGUE FREE Improve your condition. THE UNITED CORRESPONDENCE SCHOOLS A TELEGRAPH Stock Photo

RM2ABXGJA–DESIGNS. IIKb ORDINARY RATES. Inside Page each insertion. - 75 cents a line Back Page each insertion $1.00 a Hne Walwortb's Solid Gas Blast 'furnaces GAS PRODUCERS PRESSURE BLOWERS. 23 John Street New York. N.Y. ROTARY PUMPS AND ENGINES: 'IteCellse.flbouteCools' MONTGOMERY &CO. FINE TOOLS IT SIMPLIFIES DIFFICULT WORK Threading and Cutting Machine GRAFTON STONE COMPANY drilling wells for house ries Ice Plants Brew eries Irrigation Coal and Mineral Prospecting Oil and Gas etc. Latest and Best. 30 AND SUPPLIES. CATALOGUE FREE Improve your condition. THE UNITED CORRESPONDENCE SCHOOLS A TELEGRAPH

R MACHINIST CARPENTER PRUNINC AND FOR ALL CUTTING. POCKET TIME STAMP DON'T LOSE THE POINT1 ?Su USE GRINDSTONES P GAS ENGINE WEBSTER MFG. CO. West 15th St. Chicago. 9 e THE L. s STARRT17 Electric Cigar Lighter PRINT YOUR OWN CARDS eta. A COMPLETE Electrical Library MUNN & CO. Publishers FIRE EXTINGUISHER. A Safe Housekeeper HARRINGTON & RICHARDSON ACETYLENE APPARATUS Cork Floors and Tiles. GT RIG D svio$TA'IANIJS mIANUSCONR. NRCATAL001P-. Keep Your Horse Healthy TAKE AN OLDS Telegraph Outfits '2.75 SS Metilt.ni II:merles 3.95 Battery Table Lamps 3.00 Electric Railway. Miniature Electric L us Stock Photo

RM2ABXK6F–R MACHINIST CARPENTER PRUNINC AND FOR ALL CUTTING. POCKET TIME STAMP DON'T LOSE THE POINT1 ?Su USE GRINDSTONES P GAS ENGINE WEBSTER MFG. CO. West 15th St. Chicago. 9 e THE L. s STARRT17 Electric Cigar Lighter PRINT YOUR OWN CARDS eta. A COMPLETE Electrical Library MUNN & CO. Publishers FIRE EXTINGUISHER. A Safe Housekeeper HARRINGTON & RICHARDSON ACETYLENE APPARATUS Cork Floors and Tiles. GT RIG D svio$TA'IANIJS mIANUSCONR. NRCATAL001P-. Keep Your Horse Healthy TAKE AN OLDS Telegraph Outfits '2.75 SS Metilt.ni II:merles 3.95 Battery Table Lamps 3.00 Electric Railway. Miniature Electric L us

The Queen Acme No.5 Microscope NEW MODEL AS PER CUT. TaKb ORDINARY RATES. Inside Page each insertion - 75 cents a line Back Page each insertion . $1.00 a line IMPROVE YOUR CONDITION. THE HOME SCHOOLS OF Mechanical Electrical Steam City. il and Sanitary Engineering Architecture Metal Work. ing Pattern Making. United Correspondence Schools Office Desks Chairs Tables etc. WAL WORTH PIPE VISES RENEWABLE STEEL JAWS. WALWORTH MFG. CO. INDUCTION Tools For All Trades MONTGOMERY& CO. FINE TOOLS 105 Fulton Street New York City. ACETYLENE APPARATUS Patent Carrying Track OVERHEAD TRAMWAY The Coburn Stock Photo

RM2ABXGD2–The Queen Acme No.5 Microscope NEW MODEL AS PER CUT. TaKb ORDINARY RATES. Inside Page each insertion - 75 cents a line Back Page each insertion . $1.00 a line IMPROVE YOUR CONDITION. THE HOME SCHOOLS OF Mechanical Electrical Steam City. il and Sanitary Engineering Architecture Metal Work. ing Pattern Making. United Correspondence Schools Office Desks Chairs Tables etc. WAL WORTH PIPE VISES RENEWABLE STEEL JAWS. WALWORTH MFG. CO. INDUCTION Tools For All Trades MONTGOMERY& CO. FINE TOOLS 105 Fulton Street New York City. ACETYLENE APPARATUS Patent Carrying Track OVERHEAD TRAMWAY The Coburn

The Avery & fellness Co 60 South Canal St. Chicago. ARMSTRONG'S No.0 THREADING MACHINE INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending APRIL 23 i9oi AND EACH BEARING THAT DATE. NICKEL Electra. Plating Hanson & VanWinkle Special machinery Dies and tools. SubsPressDies CEO. M. GRISWOLD NEW HAVEN CONN. WROUGHT PIPE Reduced to the most Efficient Safest Simple and Economical Use. NIAGARA FALLS ACETYLENE GAS MACHINE CO Niagara Falls. N. Y. and Canada. Montgomery & Co.'s Tool Catalogue MONTGOMERY & CO. 105 Fulton Se. N. Y. City. CREST MFG. C 3 to 5 H Stock Photo

RM2ABXMNM–The Avery & fellness Co 60 South Canal St. Chicago. ARMSTRONG'S No.0 THREADING MACHINE INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending APRIL 23 i9oi AND EACH BEARING THAT DATE. NICKEL Electra. Plating Hanson & VanWinkle Special machinery Dies and tools. SubsPressDies CEO. M. GRISWOLD NEW HAVEN CONN. WROUGHT PIPE Reduced to the most Efficient Safest Simple and Economical Use. NIAGARA FALLS ACETYLENE GAS MACHINE CO Niagara Falls. N. Y. and Canada. Montgomery & Co.'s Tool Catalogue MONTGOMERY & CO. 105 Fulton Se. N. Y. City. CREST MFG. C 3 to 5 H

PROPERTY STEUth0IRMOSIONS TREAS. LOOM IS Westfield Mass. MOTOR For MARINE VEHICLE and BICYCLE MOTORS with Working Drawings. LOWELL MODEL CO. 22 Wiggin St. Lowell Mass. VAPORIZORS J. F. DENISON New Haven Conn. ENGINES BOILERS AND MACHINERY. CHICAGO HOUSE WRECKING CO. 'WOLVERINE' Gas and Gasoline Engines STATIONARY and MARINE. WOLVERINE MOTOR WORKS Grand Rapids Mich. AN AUTOMATIC ENCINEER 'MONARCH' Engine-Stop System. The Monarch Mfg.Co„WaterburyCt. Acetylene Generators EAGLE GENERATOR St. Louis Mo. 319 N. 4th Street OIL—SMELTER—MINES DOUC LAS LACEY & CO. 68 BROADWAY and 17 NEW ST. NEW YORK. - Stock Photo

RM2ABXN6Y–PROPERTY STEUth0IRMOSIONS TREAS. LOOM IS Westfield Mass. MOTOR For MARINE VEHICLE and BICYCLE MOTORS with Working Drawings. LOWELL MODEL CO. 22 Wiggin St. Lowell Mass. VAPORIZORS J. F. DENISON New Haven Conn. ENGINES BOILERS AND MACHINERY. CHICAGO HOUSE WRECKING CO. 'WOLVERINE' Gas and Gasoline Engines STATIONARY and MARINE. WOLVERINE MOTOR WORKS Grand Rapids Mich. AN AUTOMATIC ENCINEER 'MONARCH' Engine-Stop System. The Monarch Mfg.Co„WaterburyCt. Acetylene Generators EAGLE GENERATOR St. Louis Mo. 319 N. 4th Street OIL—SMELTER—MINES DOUC LAS LACEY & CO. 68 BROADWAY and 17 NEW ST. NEW YORK. -

an inferior camera. Eastman Kodak Co. triBESLY& iitLIS-A Bristol's Patent Steel Belt Lacing. (9wie § Sample bottle sent for 2e. stamp. 139 Broadway New York City. FOR TOOLS SAWS ETC PRINTING INKS Scalos 'PERFECTION 'AIR MATTRa FOR SPORTSMEN The Northlight MECHANICAL FABRIC C N NS DO THIS! VEEDER MFG. CO. Hartford Conn. The Automatic Time Stamp & Register Co. 160 'A' Congress St. Boston Mass. IT. S. A. Acetylene Gas., scientific american, 1899-06-24 Stock Photo

RM2ABXJ0N–an inferior camera. Eastman Kodak Co. triBESLY& iitLIS-A Bristol's Patent Steel Belt Lacing. (9wie § Sample bottle sent for 2e. stamp. 139 Broadway New York City. FOR TOOLS SAWS ETC PRINTING INKS Scalos 'PERFECTION 'AIR MATTRa FOR SPORTSMEN The Northlight MECHANICAL FABRIC C N NS DO THIS! VEEDER MFG. CO. Hartford Conn. The Automatic Time Stamp & Register Co. 160 'A' Congress St. Boston Mass. IT. S. A. Acetylene Gas., scientific american, 1899-06-24

n li LW FABER Paris Exposition. 190 Grand Prize. Highest Award. this office and from ail newsdealer& Yost Writing Machine Co. NEW YORK CITY. LONDON ENG. NOW READY. Horseless Vehicles Automobiles and Motor Cycles By GARDNER D. HISCOX M. E. and Mechanical Movements Devices Large Sivo. About 400 pages. Very Fully Illustrated. RESTFUL SLEEP In Camp on the Yacht and at Home. 'Perfection' Air Mattresses CUSHIONS and PILLOWS. Efficient Safest Simple NIAGARA FALLS ACETYLENE GAS MACHINt Niagara Falls. N. Y. and Canada. Clean and Odorless will not absorb moisture. MECHANICAL FABRIC CO. PROVIDENCE R. I Stock Photo

RM2ABXM4A–n li LW FABER Paris Exposition. 190 Grand Prize. Highest Award. this office and from ail newsdealer& Yost Writing Machine Co. NEW YORK CITY. LONDON ENG. NOW READY. Horseless Vehicles Automobiles and Motor Cycles By GARDNER D. HISCOX M. E. and Mechanical Movements Devices Large Sivo. About 400 pages. Very Fully Illustrated. RESTFUL SLEEP In Camp on the Yacht and at Home. 'Perfection' Air Mattresses CUSHIONS and PILLOWS. Efficient Safest Simple NIAGARA FALLS ACETYLENE GAS MACHINt Niagara Falls. N. Y. and Canada. Clean and Odorless will not absorb moisture. MECHANICAL FABRIC CO. PROVIDENCE R. I

CHICAGO. CRESCENT BICYCLES DO THIS! regulated at any desired spe e d operated With without assist ance and at the cost of cent a mile is assured to the owner of a Winton Motor Carriage. dalgeNIERONSTOCS CABISIMCOCtlicZe.ViT:a PUNCHING & SHEARING MACHINERY. Che Cypewriter Exchange Barclay St NEW YORK 124 La Salle St CHICAGO 38 Bromfield St. BOSTON KANSAS CITY. MO. ST. LOUIS MO. PERFORATED METALS EVERY FACTORY NESS AUTOMATIC SWITCH TELEPHONE SYSTEM. Calcium Ring Lamp. BURNS ACETYLENE GAS. Waterbury Conn. FOR ALL ABRASIVE WORK THE CARBORUNDUM CO. NIAGARA FALLS N. Y. Roper's New Engineer's Handy- Stock Photo

RM2ABXHRH–CHICAGO. CRESCENT BICYCLES DO THIS! regulated at any desired spe e d operated With without assist ance and at the cost of cent a mile is assured to the owner of a Winton Motor Carriage. dalgeNIERONSTOCS CABISIMCOCtlicZe.ViT:a PUNCHING & SHEARING MACHINERY. Che Cypewriter Exchange Barclay St NEW YORK 124 La Salle St CHICAGO 38 Bromfield St. BOSTON KANSAS CITY. MO. ST. LOUIS MO. PERFORATED METALS EVERY FACTORY NESS AUTOMATIC SWITCH TELEPHONE SYSTEM. Calcium Ring Lamp. BURNS ACETYLENE GAS. Waterbury Conn. FOR ALL ABRASIVE WORK THE CARBORUNDUM CO. NIAGARA FALLS N. Y. Roper's New Engineer's Handy-

BELTING of Various Styles ELEVATORS CONVEYORS ec; Fifth Wheel FOR ALL VEHICLES. New Yorit. U:S. A. ALCO VAPOR LAUNCH BY GEO. M. HOPKINS. REVISED AND ENLARGED. 840 pages 782 fine cuts substantially and beautifully bound. Price in cloth by mail $4. Half morocc $5. This splendid work is up to the times. It gives young and old something worthy of thought. It has influenced thousands of men in the choice of a career. It will give anyone young or old information that will enable him to comprehend the great im provements of the day. It furnishes sug gestions for hours of instructive recreation. Send Stock Photo

RM2ABXEHG–BELTING of Various Styles ELEVATORS CONVEYORS ec; Fifth Wheel FOR ALL VEHICLES. New Yorit. U:S. A. ALCO VAPOR LAUNCH BY GEO. M. HOPKINS. REVISED AND ENLARGED. 840 pages 782 fine cuts substantially and beautifully bound. Price in cloth by mail $4. Half morocc $5. This splendid work is up to the times. It gives young and old something worthy of thought. It has influenced thousands of men in the choice of a career. It will give anyone young or old information that will enable him to comprehend the great im provements of the day. It furnishes sug gestions for hours of instructive recreation. Send

DESIGNS. TRADE MARKS. instructions ad.drcas Alunn C.o. 361 BroadwaY New 9.0 ORDINARY RATES. Inside Page. each insertion cense a line AND AHVICF T BARNES Foot-Power MACHINERY. FOR WOOD AND METAL WORK. Bed Meet totaled in nick elhandle Press the button audit opens. Worth Ma aaa knife and5.00. STEVENS TRAMMEL POINTS THE SIMPLON TUNNEL.-DESCRIP Pumps Any Kind of Liquid. 10 SIZES 200 to 12000 Gallons per Hour. Cost $7toribleach. Address THE E. W. VANDREN CO. 102 to 108 E. Second St. Cincinnati 0. F. W. G. WOOD ENGRAVER'S LINER The only Liner made that will work from F. W. GESsWEI N. 41 .1 Min St Stock Photo

RM2ABXCR6–DESIGNS. TRADE MARKS. instructions ad.drcas Alunn C.o. 361 BroadwaY New 9.0 ORDINARY RATES. Inside Page. each insertion cense a line AND AHVICF T BARNES Foot-Power MACHINERY. FOR WOOD AND METAL WORK. Bed Meet totaled in nick elhandle Press the button audit opens. Worth Ma aaa knife and5.00. STEVENS TRAMMEL POINTS THE SIMPLON TUNNEL.-DESCRIP Pumps Any Kind of Liquid. 10 SIZES 200 to 12000 Gallons per Hour. Cost $7toribleach. Address THE E. W. VANDREN CO. 102 to 108 E. Second St. Cincinnati 0. F. W. G. WOOD ENGRAVER'S LINER The only Liner made that will work from F. W. GESsWEI N. 41 .1 Min St

900 New Formulas. 1901 APPENDIX. JUST PUBLISHED LABELS. PRINTS. On almost every GOOD Car Concrete Blocks Harmon S. Palmer Company 1450 Girard Street Washington D.C. Valuable Books 444 Home Mechanics for Amateurs 370 Pages 326 Engravings Price 61.50 EXPERIMENTAL SCIENCE. By GEORGE . HOPKINS MAGIC Scientific American Reference Book Plates. Price 61.50 postpaid WRITE FOR ESTIMATE ON ANY MitICLE YOU WANT MANUFACTURED STAMPINGS MODELS EXPER. WORK WRITE FOR FREE BOOKLET Pat. 10 ets. In Stamps I or samples. PRESSED STEEL MFG. CO. 545 The Bourse Phila Pa. FREt E. Y. BAILLAR 24 Frankfort Street New Stock Photo

RM2ABY1AW–900 New Formulas. 1901 APPENDIX. JUST PUBLISHED LABELS. PRINTS. On almost every GOOD Car Concrete Blocks Harmon S. Palmer Company 1450 Girard Street Washington D.C. Valuable Books 444 Home Mechanics for Amateurs 370 Pages 326 Engravings Price 61.50 EXPERIMENTAL SCIENCE. By GEORGE . HOPKINS MAGIC Scientific American Reference Book Plates. Price 61.50 postpaid WRITE FOR ESTIMATE ON ANY MitICLE YOU WANT MANUFACTURED STAMPINGS MODELS EXPER. WORK WRITE FOR FREE BOOKLET Pat. 10 ets. In Stamps I or samples. PRESSED STEEL MFG. CO. 545 The Bourse Phila Pa. FREt E. Y. BAILLAR 24 Frankfort Street New

250 Poultry Pictures II Tool lavoRiorg Montgomery & Co.'s Tool Catalogue Acetylene Gas Lighting HEAD PROTECTOR Telephones ELEVATING - CONVEYING POWER TRANSMISSION MACH'Y COAL WASHING MACHINERY GRAND PRIZE PARIS 1900. HIGHEST AWARD POSSIBLE. ARTA'. HANDS MOTOR For MARINE VEHICLE and BICYCLE MOTORS Coal Mining Machines ELECTRIC MINE LOCOMOTIVES POWER COAL DRILLS The No. 4 YOST WRITING MACHINE Yost Writing Machine Co. NEW YORK CITY. LONDON ENG. PROSPECTIVE BOAT BUYERS. FOR VEHICLE AND MARINE PURPOSES. The Deadly Faucet! The Berkefeld Filter GERE GASOLINE ENGINES C BIN—OPEN BOATS AMERICAN BOAT Stock Photo

RM2ABXMH9–250 Poultry Pictures II Tool lavoRiorg Montgomery & Co.'s Tool Catalogue Acetylene Gas Lighting HEAD PROTECTOR Telephones ELEVATING - CONVEYING POWER TRANSMISSION MACH'Y COAL WASHING MACHINERY GRAND PRIZE PARIS 1900. HIGHEST AWARD POSSIBLE. ARTA'. HANDS MOTOR For MARINE VEHICLE and BICYCLE MOTORS Coal Mining Machines ELECTRIC MINE LOCOMOTIVES POWER COAL DRILLS The No. 4 YOST WRITING MACHINE Yost Writing Machine Co. NEW YORK CITY. LONDON ENG. PROSPECTIVE BOAT BUYERS. FOR VEHICLE AND MARINE PURPOSES. The Deadly Faucet! The Berkefeld Filter GERE GASOLINE ENGINES C BIN—OPEN BOATS AMERICAN BOAT

ACETYLENE President SURVEYORS THE BROADBROOKS TOOL COMPANY Batavia N. Y. The ' Wolverine' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids Mich. VISE DRILL CLAMP Etc. Working or Walking LonflUC. I ARS CORTEI CIGAR CO. KEY WEST. INSPECTIOKS AND AGAINST- LOSS OR. DAMAGE elt CAUEBRZY ISITATABOWIRTAPLOSIONS J-B Fustre.SECREFARY FLISAL1EH.2tVieeP5E3itiotri m. ri Evelio Day a Holiday THE WINTON MOTOR CARRIAGE CO. Cleveland Ohio. AUTOMOBILE PATENTS EXPLOITATION COMPANY. BY ANYONE FOR ANY PURPOSE S ntionaries. Portables Engines and Pumps. RESTFUL SLEEP In Camp on the Yacht Stock Photo

RM2ABXKPT–ACETYLENE President SURVEYORS THE BROADBROOKS TOOL COMPANY Batavia N. Y. The ' Wolverine' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids Mich. VISE DRILL CLAMP Etc. Working or Walking LonflUC. I ARS CORTEI CIGAR CO. KEY WEST. INSPECTIOKS AND AGAINST- LOSS OR. DAMAGE elt CAUEBRZY ISITATABOWIRTAPLOSIONS J-B Fustre.SECREFARY FLISAL1EH.2tVieeP5E3itiotri m. ri Evelio Day a Holiday THE WINTON MOTOR CARRIAGE CO. Cleveland Ohio. AUTOMOBILE PATENTS EXPLOITATION COMPANY. BY ANYONE FOR ANY PURPOSE S ntionaries. Portables Engines and Pumps. RESTFUL SLEEP In Camp on the Yacht

CHARTER ENGINE ANY PLACE Holsters Engines and Pumps. Fe uL—Gasoline. Gas Distillate. cracks aud crumbles in heat and on any paint question. liook free. PATTON'S PAINT COMPANY 221 Luke Street Milwaukee WI AND nisURANC13 AGAINST-LOSS OR. DAMAGE T PROPERTY AND LOSS OP-IIPE c Zara. '41 CAUSED( SIEVIBOURTIPLOSIONS JM Azame4NaEsinewr lihntisaractur VICEPRES1012` .1 EiVIERcEtSECRFTBY 43 EXCLUSIVE EXCELLENCE. 'loin-lint Car with Toaneaa Driarked. THE W IliTOX MOTOR CARRIAGE CO. CEORCE N. PIERCE CO. REMINGTON TYPEWRITERS work with the highest speed and have the to keep up WYCKOFF SEADA NS & BENEDICT Stock Photo

RM2ABXPAA–CHARTER ENGINE ANY PLACE Holsters Engines and Pumps. Fe uL—Gasoline. Gas Distillate. cracks aud crumbles in heat and on any paint question. liook free. PATTON'S PAINT COMPANY 221 Luke Street Milwaukee WI AND nisURANC13 AGAINST-LOSS OR. DAMAGE T PROPERTY AND LOSS OP-IIPE c Zara. '41 CAUSED( SIEVIBOURTIPLOSIONS JM Azame4NaEsinewr lihntisaractur VICEPRES1012` .1 EiVIERcEtSECRFTBY 43 EXCLUSIVE EXCELLENCE. 'loin-lint Car with Toaneaa Driarked. THE W IliTOX MOTOR CARRIAGE CO. CEORCE N. PIERCE CO. REMINGTON TYPEWRITERS work with the highest speed and have the to keep up WYCKOFF SEADA NS & BENEDICT

SENECA FALLS MFG. CO. Seneca Falls N.Y. U. S. ICE YACHT BUILDING.-COMPLETE from drawings and blue prints. WEST SIDE FOUNDRY CO. TROY NEW YORK. MONTGOMERY & CO.'S TOOL CATALOGUE. NEW YANKEE DRILL GRINDER. SIMPLEST. FASTEST AND BEST. Microscope for Projection To SUCCEED orters humane Bridle. No Bit in the Horse's Mouth. Straps to Fit Any Bridle. PORTER HUMANE BRIDLE CO. Dept. A Sudbury Building Boston Mass and GAS Engine Power purposes. The ' Wolverine' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids Mich. Tacoma or Seattle Washington. $1 YEARLY FOR Telephones THE Stock Photo

RM2ABXM70–SENECA FALLS MFG. CO. Seneca Falls N.Y. U. S. ICE YACHT BUILDING.-COMPLETE from drawings and blue prints. WEST SIDE FOUNDRY CO. TROY NEW YORK. MONTGOMERY & CO.'S TOOL CATALOGUE. NEW YANKEE DRILL GRINDER. SIMPLEST. FASTEST AND BEST. Microscope for Projection To SUCCEED orters humane Bridle. No Bit in the Horse's Mouth. Straps to Fit Any Bridle. PORTER HUMANE BRIDLE CO. Dept. A Sudbury Building Boston Mass and GAS Engine Power purposes. The ' Wolverine' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids Mich. Tacoma or Seattle Washington. $1 YEARLY FOR Telephones THE

OUR SPECIAL INTRODUCTORY PLAN REED MFG. CO. Dept. P Pittsburg Pa. What Is Daus' Tip-Top ? llorseless Vehicles Automobiles and Motor Cycles Operated by Steam Hydro-Carbon Electric and Pneumatic Motors By GARDNER D. HISCOX M. E. Price 83.00 DESIGNS. LABELS. PRINTS. address Munn & Co. 361 Broadway New York. BICYCLE TIRE REPAIRING.- THE WOMEN. L INVESTORS DOUGLAS LACEY & CO. W Y ACETYLENE GAS AND CARBIDE OF 1004 1007 1012 1014 1015 1010 22 35 1038 1057 1064 1071 1072 1082 1083 1084 1085 1086 04 24 31 WOODEN HEN NO LOOP-HOLES Cyphers Incubator Co. B WNW N. Y. YPH ERS Chicag New York or Boston Stock Photo

RM2ABXTW6–OUR SPECIAL INTRODUCTORY PLAN REED MFG. CO. Dept. P Pittsburg Pa. What Is Daus' Tip-Top ? llorseless Vehicles Automobiles and Motor Cycles Operated by Steam Hydro-Carbon Electric and Pneumatic Motors By GARDNER D. HISCOX M. E. Price 83.00 DESIGNS. LABELS. PRINTS. address Munn & Co. 361 Broadway New York. BICYCLE TIRE REPAIRING.- THE WOMEN. L INVESTORS DOUGLAS LACEY & CO. W Y ACETYLENE GAS AND CARBIDE OF 1004 1007 1012 1014 1015 1010 22 35 1038 1057 1064 1071 1072 1082 1083 1084 1085 1086 04 24 31 WOODEN HEN NO LOOP-HOLES Cyphers Incubator Co. B WNW N. Y. YPH ERS Chicag New York or Boston

SCIENTIFIC AMERICAN SUPPLE AND SUP PLIES. CATALOGUE FREE STILLSON WRENCH TRANSITS AND LEVELING INSTRUMENTS. Eyelet machines. BLAKE & JOHNSON 'QUEEN' ARCHITECT LEVEL $50 Improved Transits & Levels 10 Chestnut St. Philadelphia THE OBER LATHES The Ober Lathe Co. Chagrin Falls O. U.S. A. PORTABLE SINGLE RAIL SURFACE IT COSTS NOTHING TO TRY!. STEAM TRAP Wm. S. Haines S 136 S. 4th St. Phila. Pa. MODEL WORK ACETYLENE APPARATUS.-ACETY SCIENTIFIC AMERICAN SUPPLEMENT NO. 1057. SCREW-CUTTING DIE HEADS The Van Norman Universal Bench Lathe. Waltham Watch Tool Co. Preserve Your Papers. WW nA MONTGOMERY & Stock Photo

RM2ABXFXA–SCIENTIFIC AMERICAN SUPPLE AND SUP PLIES. CATALOGUE FREE STILLSON WRENCH TRANSITS AND LEVELING INSTRUMENTS. Eyelet machines. BLAKE & JOHNSON 'QUEEN' ARCHITECT LEVEL $50 Improved Transits & Levels 10 Chestnut St. Philadelphia THE OBER LATHES The Ober Lathe Co. Chagrin Falls O. U.S. A. PORTABLE SINGLE RAIL SURFACE IT COSTS NOTHING TO TRY!. STEAM TRAP Wm. S. Haines S 136 S. 4th St. Phila. Pa. MODEL WORK ACETYLENE APPARATUS.-ACETY SCIENTIFIC AMERICAN SUPPLEMENT NO. 1057. SCREW-CUTTING DIE HEADS The Van Norman Universal Bench Lathe. Waltham Watch Tool Co. Preserve Your Papers. WW nA MONTGOMERY &

IF YOU HAVE A SHOTGUN SENECA FALLS MFG. CO. a es ATHEs'2T° HAVE THE LATEST IMPROVEMENTS. fected tntos. For inetunee the ASHLEY PATENT NIPPLE HOLDERS BARNES' FOOT POWER 1999 RUBY ST. ROCKFORD ILL. MAXIMUM POWER-MINIMUM COST. TABER ROTARY PUMP The Perfection of Pipe Threading Acetylene Gas Burners. Schwarz Perfection Lava Burner. 30 Warren Street New York. IMPORTED The 'Wolverine' Three Cylinder Gasoline Ma rine Engine. WOLVERINE Grand Rapids Mich. The Pratt & Whitney Co. HARTFORD CONN. Write, scientific american, 1900-09-22 Stock Photo

RM2ABXKT2–IF YOU HAVE A SHOTGUN SENECA FALLS MFG. CO. a es ATHEs'2T° HAVE THE LATEST IMPROVEMENTS. fected tntos. For inetunee the ASHLEY PATENT NIPPLE HOLDERS BARNES' FOOT POWER 1999 RUBY ST. ROCKFORD ILL. MAXIMUM POWER-MINIMUM COST. TABER ROTARY PUMP The Perfection of Pipe Threading Acetylene Gas Burners. Schwarz Perfection Lava Burner. 30 Warren Street New York. IMPORTED The 'Wolverine' Three Cylinder Gasoline Ma rine Engine. WOLVERINE Grand Rapids Mich. The Pratt & Whitney Co. HARTFORD CONN. Write, scientific american, 1900-09-22

ROUGH Ilartforg Nulls '4 OR. SERVICEABLE oe Winton Motor Carriage AUTOMOBILE PATENTS EXPLOITATION COMPANY. Our'1 901 Model' CHARTER ENGINE UPI. MAR. THE AUTO-CARBURETTOR THE ELITE COLLAR BUTTONER. B. L. WILLIAMS & CO. Mfrs. 41 North Sixth St. home f or CHRISTMAS Kodaks $5.00 to $35.00. Brownie Cameras $1.00. EASTMAN KODAK CO. STR NEW YORK-BOSTON L1.1.14-.A1.alLiLl REBUILT MACHINERY MONTGOrIERY 6: CO.'S TOOL CATALOGUE SHOE BLACKINGFORMULAS FOR AN OLDS Gasoline Engine $25.00 'WOLVERINE' Gas and Gasoline Engines Foreign Travel ACETYLENE The Smallest Porta ble Electric Light. ELECTRIC CONTRAQT CO Stock Photo

RM2ABXM6C–ROUGH Ilartforg Nulls '4 OR. SERVICEABLE oe Winton Motor Carriage AUTOMOBILE PATENTS EXPLOITATION COMPANY. Our'1 901 Model' CHARTER ENGINE UPI. MAR. THE AUTO-CARBURETTOR THE ELITE COLLAR BUTTONER. B. L. WILLIAMS & CO. Mfrs. 41 North Sixth St. home f or CHRISTMAS Kodaks $5.00 to $35.00. Brownie Cameras $1.00. EASTMAN KODAK CO. STR NEW YORK-BOSTON L1.1.14-.A1.alLiLl REBUILT MACHINERY MONTGOrIERY 6: CO.'S TOOL CATALOGUE SHOE BLACKINGFORMULAS FOR AN OLDS Gasoline Engine $25.00 'WOLVERINE' Gas and Gasoline Engines Foreign Travel ACETYLENE The Smallest Porta ble Electric Light. ELECTRIC CONTRAQT CO

I ATHEs WILLIAMSVivciti Di YOUR DEALER DOES PIOT SVP.IPLY YOU. a. A.W FABER 78 Reade Street. - New York N. Y. SAVE YOUR FUEL es ARE YOU A TOP EDUCATIONIIBY MAIL PIPE VISES RENEWABLE STEEL JAWS. 126 TO 136 FEDERAL STREET BOSTON MASS. THE HOMEMADE WINDMILLS OF NEBRASKA. manufacturers' models MILLS FOR ALL MATERIALS. OUR BUSINESS IS TO MAKE. MACHINE COME- T US AND YOU WILL GET ME BEST NICKEL Electro-Plating Hanson& VanWinkle Physical and School Apparatus GALVANOMETERS E. S. Ritchie & Sons Brookline Mass. ' WOLVERINE' Gas and Gasoline Engines WOLVERINE MOTOR WORKS MODEL ENGINES STOVER GASOLINE Stock Photo

RM2ABXK9F–I ATHEs WILLIAMSVivciti Di YOUR DEALER DOES PIOT SVP.IPLY YOU. a. A.W FABER 78 Reade Street. - New York N. Y. SAVE YOUR FUEL es ARE YOU A TOP EDUCATIONIIBY MAIL PIPE VISES RENEWABLE STEEL JAWS. 126 TO 136 FEDERAL STREET BOSTON MASS. THE HOMEMADE WINDMILLS OF NEBRASKA. manufacturers' models MILLS FOR ALL MATERIALS. OUR BUSINESS IS TO MAKE. MACHINE COME- T US AND YOU WILL GET ME BEST NICKEL Electro-Plating Hanson& VanWinkle Physical and School Apparatus GALVANOMETERS E. S. Ritchie & Sons Brookline Mass. ' WOLVERINE' Gas and Gasoline Engines WOLVERINE MOTOR WORKS MODEL ENGINES STOVER GASOLINE

fauberthangers. ONE PIECE W. H FAUBER U. S. A. ISIMBOILIREXPLOSIONS WYKOFF SEAMANS & BENEDICT 327 Broadway New York. KODAK SYSTEM of film photography the instru ment loads and unloads in broad daylight. Kodaks $5.00 to $35.00. THE NAIVIE CRESCENT Adults' Chain Models $35 Bevel Gear Chainless Models $60 WESTERN WHEEL WORKS CHICAGO. NEW YORK. THE PNEUMATIC DOME MANUFACTURING COMPANY 501 E Street Northwest Washington D. C. COLUMBIA CHAINLESS BICYCLES $60 to $75. Chain Wheels Columbias Hartfords and Vedettes $25 to $50. N.'%e e '0%No-NIi 'THOR' FITTINGS DON'T LEAVE YOUR KEYS AMERICAN RING CO Stock Photo

RM2ABXHYE–fauberthangers. ONE PIECE W. H FAUBER U. S. A. ISIMBOILIREXPLOSIONS WYKOFF SEAMANS & BENEDICT 327 Broadway New York. KODAK SYSTEM of film photography the instru ment loads and unloads in broad daylight. Kodaks $5.00 to $35.00. THE NAIVIE CRESCENT Adults' Chain Models $35 Bevel Gear Chainless Models $60 WESTERN WHEEL WORKS CHICAGO. NEW YORK. THE PNEUMATIC DOME MANUFACTURING COMPANY 501 E Street Northwest Washington D. C. COLUMBIA CHAINLESS BICYCLES $60 to $75. Chain Wheels Columbias Hartfords and Vedettes $25 to $50. N.'%e e '0%No-NIi 'THOR' FITTINGS DON'T LEAVE YOUR KEYS AMERICAN RING CO

RM2ABXKX6–Stimulating Bracing Healthful and Harmless Combination of MONTGOMERY & CO.'S TOOL CATALOGUE. MONTGOMERY & CO. 105 FULTON STREET NEW YORK CITY. MOAN ES (10 NN. GERE GASOLINE ENGINES GE.T A MOVE ON YOU sem cooki-001.1C The Air Brush Mfg. Co. FRICTION CLUTCHES Electric Treatment with Physical Exercise. Its Effect is Magical THE BADGER BRASS CO. SPECIAL OFFER! GUYER'S PATENT DESULPHURIZING FURNACE. 0 Magic Gas Lamps. THE MAGIC LIGHT CO. CHICAGO. IN USE EVERYWHERE. NOW READY. The Standard. Agents Those who subscribe now Tias Youth's Companion scription price with this slip from the time of

HUSTON STANDARD SPECIFY THESE BRACES WHEN ORDERING YOUR BOILER STRONGER STIFFER AND LIGHTER THAN IRON THE HUSTON PATENT Boiler Brace HUSTON IMPROVED THESE BRACES ARE PRESSED FROM A SOLID Business and Personal Wants. ' BLACK DIAMOND' GRANULATED RAW BONE CASE-HARDENING & COLORING HOEFT & MOORE CHICAG U. S. A. DETROIT MOTOR WORKS Detroit Mich. POE F2 Gas Gasoline Kerosene and Steam Engines Electric Lighting Plants Dynamos and Motors. A. F. CARVER 107 Liberty Street. New York SEARCHLICHT Clear View Acetylene Searchlight Minneapolis. Minn. The Crowell Cabinet Columbia 'School Supply Co. 320 Holton Stock Photo

RM2ABXTNP–HUSTON STANDARD SPECIFY THESE BRACES WHEN ORDERING YOUR BOILER STRONGER STIFFER AND LIGHTER THAN IRON THE HUSTON PATENT Boiler Brace HUSTON IMPROVED THESE BRACES ARE PRESSED FROM A SOLID Business and Personal Wants. ' BLACK DIAMOND' GRANULATED RAW BONE CASE-HARDENING & COLORING HOEFT & MOORE CHICAG U. S. A. DETROIT MOTOR WORKS Detroit Mich. POE F2 Gas Gasoline Kerosene and Steam Engines Electric Lighting Plants Dynamos and Motors. A. F. CARVER 107 Liberty Street. New York SEARCHLICHT Clear View Acetylene Searchlight Minneapolis. Minn. The Crowell Cabinet Columbia 'School Supply Co. 320 Holton

PATENTED 1-2 INCH AUGER BITS burne Patent Scarf Fast AMERICAN RING CO. Crane Bros. Linenoid Manufacturers Westfield Mass. I TYPE WHEELS. MODELS I.-EXPERIMENTALWORK.SMALL7M0ERY TURBINES ' mamma NOVELTIES & PATENTED ARTICLES Experimental & Model Work GAS e GASOLINE ENGINES WATER MOTORS BACKUS WATER MOTOR CO NEWARK N J 1.1. 5 A FOR ALL PURPOSES. SON '28 Rodney Street Brooklyn N. Y. GRINDING MILLS Who Rules the World in 100 Years P Burst Water Pipes a Ching of the Past THE PNEUMATIC DOME MANUFACTURING COMPANY 501 E Street Northwest Washington D. C. Acetylene Gas GENERATORS J. B. COLT &CO. DEPT. N Stock Photo

RM2ABXJ29–PATENTED 1-2 INCH AUGER BITS burne Patent Scarf Fast AMERICAN RING CO. Crane Bros. Linenoid Manufacturers Westfield Mass. I TYPE WHEELS. MODELS I.-EXPERIMENTALWORK.SMALL7M0ERY TURBINES ' mamma NOVELTIES & PATENTED ARTICLES Experimental & Model Work GAS e GASOLINE ENGINES WATER MOTORS BACKUS WATER MOTOR CO NEWARK N J 1.1. 5 A FOR ALL PURPOSES. SON '28 Rodney Street Brooklyn N. Y. GRINDING MILLS Who Rules the World in 100 Years P Burst Water Pipes a Ching of the Past THE PNEUMATIC DOME MANUFACTURING COMPANY 501 E Street Northwest Washington D. C. Acetylene Gas GENERATORS J. B. COLT &CO. DEPT. N

PERFORATORS OF ALL METALS A Splendid Opportunity a DaySure A Telephone Transmitter R. II. FERGUSON 50 YEARS' EXPERIENCE PATENTS Scientific American. IT GOES BANG! Cooley's Universal WINDOW LOCK. COOLEY SPECIALTY CO. MIANUS CONN. E. V. BAILLARD Fox Bldg Franklin Square New York. D'AMOUR & Li MIME MACHINE CO. 130 WORTH 5T. NEW YORK. AUTOMOBILE TRANSMISSION. EMPIRE MOTOR WORKS SfiS Washington St. Runkle. N. Y. WHO MANUFACTURES WER FABRIZIERT (Ankergiieder.) daa Comptoir des Blattea an richten. LANGUAGES by Phonograph Quick and infallible method. Your teacher always with DARDNER-EUBIN CO. Masonic Stock Photo

RM2ABXM31–PERFORATORS OF ALL METALS A Splendid Opportunity a DaySure A Telephone Transmitter R. II. FERGUSON 50 YEARS' EXPERIENCE PATENTS Scientific American. IT GOES BANG! Cooley's Universal WINDOW LOCK. COOLEY SPECIALTY CO. MIANUS CONN. E. V. BAILLARD Fox Bldg Franklin Square New York. D'AMOUR & Li MIME MACHINE CO. 130 WORTH 5T. NEW YORK. AUTOMOBILE TRANSMISSION. EMPIRE MOTOR WORKS SfiS Washington St. Runkle. N. Y. WHO MANUFACTURES WER FABRIZIERT (Ankergiieder.) daa Comptoir des Blattea an richten. LANGUAGES by Phonograph Quick and infallible method. Your teacher always with DARDNER-EUBIN CO. Masonic

WALTHAM WATCHES The best and most reliable time keepers made in this country or in any other. STORAGE THE ONLY STORAGE BATTERY KEPT IN STOCK ELECTRICAL SUPPLY HOUSES. UNITED STATES BATTERY CO. 253 Broadway New York. Branch; 9 Corubill Boston. CHAIN LESS New Models $75. Columbia Hartford Stormer and Pennant Chain Wheels The Columbia Coaster Brake °ROUGH INSPECTIONS OR T STE430.TXPLOSIONS ON THE WINGS OF THE WIND WINTON MOTOR CARRIAGE Eastman Kodak Co.'s BROWNIE CAMERAS —$1.00 THE BROWNIE. CAMERA CLUB. EASTMAN HAVE YOUR CYCLE FITTED WITH OVER 25000 IN USE. ECLIPSE BICYCLE CO. Box X ELIIIRA N. Y Stock Photo

RM2ABXKBJ–WALTHAM WATCHES The best and most reliable time keepers made in this country or in any other. STORAGE THE ONLY STORAGE BATTERY KEPT IN STOCK ELECTRICAL SUPPLY HOUSES. UNITED STATES BATTERY CO. 253 Broadway New York. Branch; 9 Corubill Boston. CHAIN LESS New Models $75. Columbia Hartford Stormer and Pennant Chain Wheels The Columbia Coaster Brake °ROUGH INSPECTIONS OR T STE430.TXPLOSIONS ON THE WINGS OF THE WIND WINTON MOTOR CARRIAGE Eastman Kodak Co.'s BROWNIE CAMERAS —$1.00 THE BROWNIE. CAMERA CLUB. EASTMAN HAVE YOUR CYCLE FITTED WITH OVER 25000 IN USE. ECLIPSE BICYCLE CO. Box X ELIIIRA N. Y

for Delivery Electricians' Handy Book. By Prof. 'P. O'CONOR SLOANE. 768 Pages. Nearly 600 Illustrations. Handsomely Bound in Red Leather with Title and Edges in Gold. Price $3.50 49 Practical Work for Practical Men. American Tool-Making and Interchangeable Manu facturing. By J. V. WOOD WORTH. 544 Pages. 600 Illustrations. Price 64.00 Gas Engines and Producer. Gas Plants. By R. E. MATHOT. MUNN 6. COMPANY 361 Broadway New York ITWILL STAND ANY TEST Underwood Typewriter PATENTS SCIENTIFIC AMERICAN Knock Down Boats Do You Want to Reduce Your Fuel Bills? The Dean Boiler Tube Cleaner. THE WM. B Stock Photo

RM2ABXY3W–for Delivery Electricians' Handy Book. By Prof. 'P. O'CONOR SLOANE. 768 Pages. Nearly 600 Illustrations. Handsomely Bound in Red Leather with Title and Edges in Gold. Price $3.50 49 Practical Work for Practical Men. American Tool-Making and Interchangeable Manu facturing. By J. V. WOOD WORTH. 544 Pages. 600 Illustrations. Price 64.00 Gas Engines and Producer. Gas Plants. By R. E. MATHOT. MUNN 6. COMPANY 361 Broadway New York ITWILL STAND ANY TEST Underwood Typewriter PATENTS SCIENTIFIC AMERICAN Knock Down Boats Do You Want to Reduce Your Fuel Bills? The Dean Boiler Tube Cleaner. THE WM. B

What is Your Work? An Education by Mail II HORSELESS AGE THE HORSELESS AGE. American Tract Society Building Nassau and Spruce Streets. New York. Buy Telephones THAT ARE GOOD--NOT 'CHEAP THINGS.' WESTERN TELEPHONE CONSTRUCTION CO. 250-254 South Clinton St Chicago. 'American-Hunnings' TELEPHONES. AMERICAN ELECTRIC TELEPHONE CO. 173 South Canal St. Chicag ill. FOUR TOOLS IN ONE ON A STILL HUNT. Machines Electrical and Mechanical. Inventors note this. ELECTRICAL EXHIBITION COMPANY FOR FINE WORK GREAT POWER-SMALL COST GAS ENGINE WEBSTER MFG. CO 1074 West 15th St. CHICAGO Power? Power? Power! RACINE Stock Photo

RM2ABXHMN–What is Your Work? An Education by Mail II HORSELESS AGE THE HORSELESS AGE. American Tract Society Building Nassau and Spruce Streets. New York. Buy Telephones THAT ARE GOOD--NOT 'CHEAP THINGS.' WESTERN TELEPHONE CONSTRUCTION CO. 250-254 South Clinton St Chicago. 'American-Hunnings' TELEPHONES. AMERICAN ELECTRIC TELEPHONE CO. 173 South Canal St. Chicag ill. FOUR TOOLS IN ONE ON A STILL HUNT. Machines Electrical and Mechanical. Inventors note this. ELECTRICAL EXHIBITION COMPANY FOR FINE WORK GREAT POWER-SMALL COST GAS ENGINE WEBSTER MFG. CO 1074 West 15th St. CHICAGO Power? Power? Power! RACINE

Buy Telephones THAT ARE GOOD--NOT 'CHEAP THINGS.' WESTERN TELEPHONE CONSTRUCTION CO. 250-254 South Clinton St Chicago. HIGH GRADE Yigin. MACHINERY (Continued on page 189) WEBSTER MFG. CO. 1074 West 151h St. CHICAG Weber Gasoline Mine and Mill Pumps ALL SIZES. Economy and Efficiency Guaranteed. WEBER GAS AND GASOLINE ENGINE CO. 402 S. W. Boulevard e Successful Electrician 189 Pages Illustrated $1.00. Arithmetic of Electricity 138 pages .$1.00 1.00 Standard Electrical Dictionary 682 Electricity Simplified 158 pages 1.00 UNN & CO. 361 Broadway New York. ARTESIAN WELLS AMERICAN PATENTS. — AN INTE Stock Photo

RM2ABXGR1–Buy Telephones THAT ARE GOOD--NOT 'CHEAP THINGS.' WESTERN TELEPHONE CONSTRUCTION CO. 250-254 South Clinton St Chicago. HIGH GRADE Yigin. MACHINERY (Continued on page 189) WEBSTER MFG. CO. 1074 West 151h St. CHICAG Weber Gasoline Mine and Mill Pumps ALL SIZES. Economy and Efficiency Guaranteed. WEBER GAS AND GASOLINE ENGINE CO. 402 S. W. Boulevard e Successful Electrician 189 Pages Illustrated $1.00. Arithmetic of Electricity 138 pages .$1.00 1.00 Standard Electrical Dictionary 682 Electricity Simplified 158 pages 1.00 UNN & CO. 361 Broadway New York. ARTESIAN WELLS AMERICAN PATENTS. — AN INTE

Napoleon's Secretary 'Accurate-to-the-Second' DUEBER-HAMPDEN WATCHES Let us send you our (=Wide to Watch Buyers. DUEBER- HAMPDEN WATCH WORKS Canton Ohio. STERBEflif If you want the best CHUCKS buy Westcott's Improved. Oneida Drill ChucksSernil Combination THE OBER LATHES Color Photograph 1324 Chestnut Street Philadelphia. PRINT YOUR OWN CARDS etc. WEL Machines Williams Brown & Earle ENGINES. ACETYLENE APPARATUS Crest Mfg. Co. CAMBRIDGEPORT MASS. THE RIVETT SLOTTER -.r FANEUIL WATCH TOOL CO. Brighton Boston Mass. $5 PRESS Elgin Watches The World's Standard Genuine Ruby Jeweled Elgin 4474 The Stock Photo

RM2ABXKWC–Napoleon's Secretary 'Accurate-to-the-Second' DUEBER-HAMPDEN WATCHES Let us send you our (=Wide to Watch Buyers. DUEBER- HAMPDEN WATCH WORKS Canton Ohio. STERBEflif If you want the best CHUCKS buy Westcott's Improved. Oneida Drill ChucksSernil Combination THE OBER LATHES Color Photograph 1324 Chestnut Street Philadelphia. PRINT YOUR OWN CARDS etc. WEL Machines Williams Brown & Earle ENGINES. ACETYLENE APPARATUS Crest Mfg. Co. CAMBRIDGEPORT MASS. THE RIVETT SLOTTER -.r FANEUIL WATCH TOOL CO. Brighton Boston Mass. $5 PRESS Elgin Watches The World's Standard Genuine Ruby Jeweled Elgin 4474 The

Waltham Watches They are carried all over the world. 'The Pen That Fills Itself' Orient Buckboard WALTHAM MFG. CO. Waltham Mass. Running Gears & Gasoline Engines PERRY CO. SAYE YOUR HENDEE MFG. CO. RADIUM The New SpInthariscoee SPECIAL PRICES TO THE TRADE :i. M. STORMS -13 Vandewater Street New York Carbon Paper at Lowest Possible Prices and Best Typewriter Ribbons on the Market A Xmas Gift for Those Who Love the Water. A 'Mullins' Galvanized Steel Pleasure Priced $29.00 Boat Che Moodier Exchange 124 La Salle St CHICAGO 38 Bromfield St. BOSTON 817 Wyandotte St. KANSAS CITY MO. 209 North 9th St Stock Photo

RM2ABXTP4–Waltham Watches They are carried all over the world. 'The Pen That Fills Itself' Orient Buckboard WALTHAM MFG. CO. Waltham Mass. Running Gears & Gasoline Engines PERRY CO. SAYE YOUR HENDEE MFG. CO. RADIUM The New SpInthariscoee SPECIAL PRICES TO THE TRADE :i. M. STORMS -13 Vandewater Street New York Carbon Paper at Lowest Possible Prices and Best Typewriter Ribbons on the Market A Xmas Gift for Those Who Love the Water. A 'Mullins' Galvanized Steel Pleasure Priced $29.00 Boat Che Moodier Exchange 124 La Salle St CHICAGO 38 Bromfield St. BOSTON 817 Wyandotte St. KANSAS CITY MO. 209 North 9th St

Three Finished in Automobile Endurance Run. 4 1901 CATALOG AND PARTICULARS OF OTHER TESTS ON APPLICATION. 17 Ct 1 E NCINEER'S LICENSE. MECHANICs ENGINEERS FIREMEN. ELECTRICIANS Etc. 'YES SIR! GOODFORM CLOSET SET In Sixth Year of Successful Service GASOLENE al) COLUMBIA GASOLENE RUNABOUT. Western Agency and Showrooms 267 WABASH AYE. CHICAG ILL. 6 READY TOMTIT FINISHED JOINT Traveling Made Easy. WINTON MOTOR CARRIAGE THE WINTON MOTOR CARRIAGE CO. CHARTER ENGINE Slationaries. Portables Engines and Pumps Holsters ANY PLACE BY ANY ONE FOR ANY PURPOSE CHARTER GAS ENGINE CO. Box 148 STERLING ILL Stock Photo

RM2ABXN86–Three Finished in Automobile Endurance Run. 4 1901 CATALOG AND PARTICULARS OF OTHER TESTS ON APPLICATION. 17 Ct 1 E NCINEER'S LICENSE. MECHANICs ENGINEERS FIREMEN. ELECTRICIANS Etc. 'YES SIR! GOODFORM CLOSET SET In Sixth Year of Successful Service GASOLENE al) COLUMBIA GASOLENE RUNABOUT. Western Agency and Showrooms 267 WABASH AYE. CHICAG ILL. 6 READY TOMTIT FINISHED JOINT Traveling Made Easy. WINTON MOTOR CARRIAGE THE WINTON MOTOR CARRIAGE CO. CHARTER ENGINE Slationaries. Portables Engines and Pumps Holsters ANY PLACE BY ANY ONE FOR ANY PURPOSE CHARTER GAS ENGINE CO. Box 148 STERLING ILL

!FREE SCHOLARSHIPOI IIN ENGINEERING THE 'FORTIS' Electric Exerciser. THE BADGER BRASS CO. ELECTRICAL SCIENTIFIC NOVELTIES. Friction PulleysClutches& Elevators PROVIDENCE R. t. ELEGRAPHY ELECTRICITY Exporlutonial Nom MUNN & CO. PUBLISHERS 361 BROADWAY NEW YORK. Experimental & Model Work INVENTIONS PERFECTED. NOVELTIES & PATENTED ARTICLES TURBINES 130 WORTH 5T NEW YORK. & EXPERIMENTAL WORK. MODELS G U GASeGASOLINE ENGINES WATER MOTORS AUTOMOBILE TRANSMISSION. BALLS WE TEACH Wherever the Mails Reach. 1 INS 50 YEARS' EXPERIENCE PATENTS Scientific American. D. L .NOLDEN GRANT TOOL POST GRINDER The Stock Photo

RM2ABXM0R–!FREE SCHOLARSHIPOI IIN ENGINEERING THE 'FORTIS' Electric Exerciser. THE BADGER BRASS CO. ELECTRICAL SCIENTIFIC NOVELTIES. Friction PulleysClutches& Elevators PROVIDENCE R. t. ELEGRAPHY ELECTRICITY Exporlutonial Nom MUNN & CO. PUBLISHERS 361 BROADWAY NEW YORK. Experimental & Model Work INVENTIONS PERFECTED. NOVELTIES & PATENTED ARTICLES TURBINES 130 WORTH 5T NEW YORK. & EXPERIMENTAL WORK. MODELS G U GASeGASOLINE ENGINES WATER MOTORS AUTOMOBILE TRANSMISSION. BALLS WE TEACH Wherever the Mails Reach. 1 INS 50 YEARS' EXPERIENCE PATENTS Scientific American. D. L .NOLDEN GRANT TOOL POST GRINDER The

HENRY CAREY BAIRD & CO.THE MAGAZINE THE ENGINEERING MAGAZINE Buy Telephones One Stroke Prints a Word. NO MORE MISTAKES. Machines for the BLIND. POEM ROASTER Timothy Gingras BUFFAL N. Y. The Yankee DRILL GRINDER G. T. EAMES COMPANY : ER Manufactory Established 1761. 78 Reade Street. - New York N. Y. Manufactory Established 1761 DON'T SEW ON BUTTONS! ThForte` behind the force A Technical Education BY MAIL. tects. Surveyors Chemists Correa AN IMPROVEMENT AFFIXED ONLY T T WORK De typewriter Exchange 1.15L IN ALL PARTS the Scientific American PUBLICATIONS FOR 1900. RATES BY MAIL. COMBINED RATES Stock Photo

RM2ABXJY5–HENRY CAREY BAIRD & CO.THE MAGAZINE THE ENGINEERING MAGAZINE Buy Telephones One Stroke Prints a Word. NO MORE MISTAKES. Machines for the BLIND. POEM ROASTER Timothy Gingras BUFFAL N. Y. The Yankee DRILL GRINDER G. T. EAMES COMPANY : ER Manufactory Established 1761. 78 Reade Street. - New York N. Y. Manufactory Established 1761 DON'T SEW ON BUTTONS! ThForte` behind the force A Technical Education BY MAIL. tects. Surveyors Chemists Correa AN IMPROVEMENT AFFIXED ONLY T T WORK De typewriter Exchange 1.15L IN ALL PARTS the Scientific American PUBLICATIONS FOR 1900. RATES BY MAIL. COMBINED RATES

.303 and 30-30 Caliber. MAGAZINE RIFLE ENGINEERING TAUGHT BY SPECIALISTS Mechanical Electrical Locomotive Marine Textile ENGINEERING Heating Ventilation and Plumbing Mechanical Drawing Isometric Perspective Descriptive Geometry etc. American School of Correspondence & EXPERIMENTAL WORK. E. V. BAILLARD Fox Bldg. Franklin Square New York. MODELS STEWARD'S WONDER KHAN US CONN. Steam Engineering thught by mai 1 . ELECTRICAL ENGINEERING TAUGHT BY MAIL. GASOLIKE ENGINE W A NT E 1:) W. F. RAYMOND 181 Chestnut St. Chicago. . Claim File. Used by every merchant and physician. Sayers A Co. D604080live St Stock Photo

RM2ABXN8R–.303 and 30-30 Caliber. MAGAZINE RIFLE ENGINEERING TAUGHT BY SPECIALISTS Mechanical Electrical Locomotive Marine Textile ENGINEERING Heating Ventilation and Plumbing Mechanical Drawing Isometric Perspective Descriptive Geometry etc. American School of Correspondence & EXPERIMENTAL WORK. E. V. BAILLARD Fox Bldg. Franklin Square New York. MODELS STEWARD'S WONDER KHAN US CONN. Steam Engineering thught by mai 1 . ELECTRICAL ENGINEERING TAUGHT BY MAIL. GASOLIKE ENGINE W A NT E 1:) W. F. RAYMOND 181 Chestnut St. Chicago. . Claim File. Used by every merchant and physician. Sayers A Co. D604080live St

.IESSOP'S STE E LTIEVT' FOR TOOLS SAWS ETC. PIPE TRON -ROOFING HARD WARE VALVES &FITTINGS Chicago House Wrecking Co . Royal Lather Brush Makes Shaving Easy. Never Twists or Curls. Always a Brush—Never a Mop. Fits the Face. Wide Open. Spreads the Lather. Half Open Rubs it in. Quickly Softens the Beard. Beats the Barber's Fingers. Well Lathered Is Flair Shaved. C. K. Thompson Mfg. Co. APPLIED WITH A BRUSH. Allow Belts to Run Slack—Reduce Coal Bills—Increase Power and Capacity. MEN OF BRAINS IGARS —MADE AT KEY WEST) CORTEZ CIGAR CO. KEY WEST. CHARTER ENGINE Stationaries. Portables Engines and Stock Photo

RM2ABXM5R–.IESSOP'S STE E LTIEVT' FOR TOOLS SAWS ETC. PIPE TRON -ROOFING HARD WARE VALVES &FITTINGS Chicago House Wrecking Co . Royal Lather Brush Makes Shaving Easy. Never Twists or Curls. Always a Brush—Never a Mop. Fits the Face. Wide Open. Spreads the Lather. Half Open Rubs it in. Quickly Softens the Beard. Beats the Barber's Fingers. Well Lathered Is Flair Shaved. C. K. Thompson Mfg. Co. APPLIED WITH A BRUSH. Allow Belts to Run Slack—Reduce Coal Bills—Increase Power and Capacity. MEN OF BRAINS IGARS —MADE AT KEY WEST) CORTEZ CIGAR CO. KEY WEST. CHARTER ENGINE Stationaries. Portables Engines and

IN THIRTY DIFFERENT STYLES. Special Patterns with Auxiliary Springs for Export Trade. Saddles INSPECTIONS INSURANCE AGAINST- LOSS DAMAGE PROPERTY m?' .I.B.Pustten SEcurrsoY Ea-Atusti -2cVicePar1inistr .3.BRAINERDASS'TTREA.S. LEIKIDDLEI3ROOK.ASSTSECY to wait till A WINTON MOTOR CARRIAGE THE WINTON MOTOR CARRIAGE CO. Cleveland Ohio. WESTCOTT'S Westcott Chuck Co. Oneida N. Y. U. S. A. KODAKS KODAKS $5.00 to $35.00. EASTMAN KODAK CO. AUSTIN SEPARATOR DELIVERING DRY STEAM haust Steam. AUSTIN SEPARATOR CO. 27 Woodbridge Street West Detroit Mich. ECAMOI ALUMINUM PAINT. THE AMERICAN PEGAMOID CO. 348 B Stock Photo

RM2ABXHFC–IN THIRTY DIFFERENT STYLES. Special Patterns with Auxiliary Springs for Export Trade. Saddles INSPECTIONS INSURANCE AGAINST- LOSS DAMAGE PROPERTY m?' .I.B.Pustten SEcurrsoY Ea-Atusti -2cVicePar1inistr .3.BRAINERDASS'TTREA.S. LEIKIDDLEI3ROOK.ASSTSECY to wait till A WINTON MOTOR CARRIAGE THE WINTON MOTOR CARRIAGE CO. Cleveland Ohio. WESTCOTT'S Westcott Chuck Co. Oneida N. Y. U. S. A. KODAKS KODAKS $5.00 to $35.00. EASTMAN KODAK CO. AUSTIN SEPARATOR DELIVERING DRY STEAM haust Steam. AUSTIN SEPARATOR CO. 27 Woodbridge Street West Detroit Mich. ECAMOI ALUMINUM PAINT. THE AMERICAN PEGAMOID CO. 348 B

Scientific American '1r Spa.ngenberg's Steam & ElectricalEngineering School of Busineerrna ALBERT Car A enaineering. Easy to Understand Written by practical men Electricity. GEO. A. ZELLER BOOK CO. I S. 4th St. St. Louis Mo. A Large Growing Field Mocks Cement Brick Cement Drainage MIRACLE. PRESSED STONE CO. Minneapolis Nina. To Book Buyers Publishers of SCIENTIFIC AMERICAN PATENTS SCIENTIFIC AMERICAN GLOBE INCUBATORS: G. C. SHOEMAKER INVESTIGATE THE POULTRY BUSINESS book describing of Egg Broiler and Roaster Farms CHAS. A. CYPHERS American BOUND-VOLUME ONE A Beautiful Book. Price $3.50 Engine Stock Photo

RM2ABY06N–Scientific American '1r Spa.ngenberg's Steam & ElectricalEngineering School of Busineerrna ALBERT Car A enaineering. Easy to Understand Written by practical men Electricity. GEO. A. ZELLER BOOK CO. I S. 4th St. St. Louis Mo. A Large Growing Field Mocks Cement Brick Cement Drainage MIRACLE. PRESSED STONE CO. Minneapolis Nina. To Book Buyers Publishers of SCIENTIFIC AMERICAN PATENTS SCIENTIFIC AMERICAN GLOBE INCUBATORS: G. C. SHOEMAKER INVESTIGATE THE POULTRY BUSINESS book describing of Egg Broiler and Roaster Farms CHAS. A. CYPHERS American BOUND-VOLUME ONE A Beautiful Book. Price $3.50 Engine

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