Larger apparatus hi-res stock photography and images

Larger apparatus for galvanic silver plating and gilding, 1900 Stock Photo

RMPP9GTK–Larger apparatus for galvanic silver plating and gilding, 1900

round the turn of the 20th Century, The wheel itself was part of a larger apparatus used for processing ore found on Charlie’s claim on Ute Creek. Th Stock Photo

RF2Y3WH6C–round the turn of the 20th Century, The wheel itself was part of a larger apparatus used for processing ore found on Charlie’s claim on Ute Creek. Th

1940s firefighters' breathing apparatus. The Greater Manchester Fire Service Museum, in Rochdale, uk, is planning to start construction work at its new location, the adjacent former Maclure Road fire station, later this year .The building will be fully restored to its 1930s condition by late 2020. The move to larger premises means that full-sized fire engines can be displayed, alongside many fascinating historic items of firefighting equipment. Stock Photo

RMTTDDCD–1940s firefighters' breathing apparatus. The Greater Manchester Fire Service Museum, in Rochdale, uk, is planning to start construction work at its new location, the adjacent former Maclure Road fire station, later this year .The building will be fully restored to its 1930s condition by late 2020. The move to larger premises means that full-sized fire engines can be displayed, alongside many fascinating historic items of firefighting equipment.

Steam Steering Apparatus Patent Model. As ships became larger and heavier in the second half of the nineteenth century, they also grew more difficult to steer by manpower alone. Numerous inventors sought ways to assist steering through steam power, hydraulics, springs, and other means. Stock Photo

RM2BF3WF6–Steam Steering Apparatus Patent Model. As ships became larger and heavier in the second half of the nineteenth century, they also grew more difficult to steer by manpower alone. Numerous inventors sought ways to assist steering through steam power, hydraulics, springs, and other means.

Experiments with Norton's Patent Tube-Wells, used by our army in Abyssinia, 1868. An invention 'adopted by the Royal Engineers for the ready supply of water to British troops in Abyssinia...It is an American invention...The holder of the patent in London is Mr. J. L. Norton...The experiments were...in a field near the Thames Ditton [railway] station...where forty or fifty gentlemen had assembled...the tube...was driven into the ground some 15 ft. or 16 ft., and the pumping apparatus being affixed, water was produced at the rate of from 10 to 12 gallons per minute...[A larger] tube...was also t Stock Photo

RM2XAP661–Experiments with Norton's Patent Tube-Wells, used by our army in Abyssinia, 1868. An invention 'adopted by the Royal Engineers for the ready supply of water to British troops in Abyssinia...It is an American invention...The holder of the patent in London is Mr. J. L. Norton...The experiments were...in a field near the Thames Ditton [railway] station...where forty or fifty gentlemen had assembled...the tube...was driven into the ground some 15 ft. or 16 ft., and the pumping apparatus being affixed, water was produced at the rate of from 10 to 12 gallons per minute...[A larger] tube...was also t

detail of heavy duty cog engaged with a large chain Stock Photo

RFG32XN4–detail of heavy duty cog engaged with a large chain

INSIDE AN R.A.F. HOSPITAL - There are a number of R.A.F. hospitals in various parts of Great Britain, some attached to stations, others larger at bases and commands. All are equipped, as these pictures show, with the most modern apparatus that medical science can provide. In a radiological department of an R.A.F. hospital Royal Air Force Stock Photo

RM2X15RX0–INSIDE AN R.A.F. HOSPITAL - There are a number of R.A.F. hospitals in various parts of Great Britain, some attached to stations, others larger at bases and commands. All are equipped, as these pictures show, with the most modern apparatus that medical science can provide. In a radiological department of an R.A.F. hospital Royal Air Force

Biodegradable cups containing soil and sprouts are placed near conical glass flask, also filled with soil and featuring a slightly larger green plant Stock Photo

RM2XYTM7R–Biodegradable cups containing soil and sprouts are placed near conical glass flask, also filled with soil and featuring a slightly larger green plant

Senior man looking through a telescope Stock Photo

RFDWTFFT–Senior man looking through a telescope

RM2XYTTJX–Biodegradable cups containing soil and sprouts are placed near conical glass flask, also filled with soil and featuring a slightly larger green plant

RFCXGXRT–Woman at the gym

Toepler-Holtz Electric Machine that consists of a rotating disk in front of a slightly larger fixed disk with two paper plates, vintage line drawing o Stock Vector

RF2C9C6EE–Toepler-Holtz Electric Machine that consists of a rotating disk in front of a slightly larger fixed disk with two paper plates, vintage line drawing o

Archive image from page 195 of Dairy chemistry; a practical handbook. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies dairychemistryp00rich Year: 1920 Fig. 2.3.—M'Creath Acidimeter. soda solution, and use a special apparatus (Fig. 26); they express the acidity as degrees ; 1 Soxhlet-Henkel degree = the number of c.c. of j- alkali used per 100 c.c. of milk ; it is to be regretted that this ' degree ' has been introduced, as it is 2-5 times larger than the ordinary degree, and has caused confusion. Instead of using phenol-phthalein, delicate neutra Stock Photo

RMW240RY–Archive image from page 195 of Dairy chemistry; a practical handbook. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies dairychemistryp00rich Year: 1920 Fig. 2.3.—M'Creath Acidimeter. soda solution, and use a special apparatus (Fig. 26); they express the acidity as degrees ; 1 Soxhlet-Henkel degree = the number of c.c. of j- alkali used per 100 c.c. of milk ; it is to be regretted that this ' degree ' has been introduced, as it is 2-5 times larger than the ordinary degree, and has caused confusion. Instead of using phenol-phthalein, delicate neutra

Human or eukaryotic 80s ribosome microscopic structure with smaller and larger subunit involved in protein synthesis on blue color Stock Vector

RF2D8WNGB–Human or eukaryotic 80s ribosome microscopic structure with smaller and larger subunit involved in protein synthesis on blue color

St Dennis Community Fire Station is run by on call firefighters. The image shows the larger Mercedes fire appliance. Stock Photo

RF2F3DK92–St Dennis Community Fire Station is run by on call firefighters. The image shows the larger Mercedes fire appliance.

Transmission electron micrograph of Ebola virus nucleocapsids (small orange circles) and virus particles (larger orange filamentous shapes) in infected African green monkey kidney cells. Focused image at the NIAID Integrated Research Center in Fort Detrick, Maryland. Stock Photo

RM2JKFT3W–Transmission electron micrograph of Ebola virus nucleocapsids (small orange circles) and virus particles (larger orange filamentous shapes) in infected African green monkey kidney cells. Focused image at the NIAID Integrated Research Center in Fort Detrick, Maryland.

. The fruit garden. Fruit-culture; Fruit trees. Fig. -Ordinary Plain Saddle Boiler Fig. 12.- -The Terminal Saddle Boiler The hot-water saddle boiler may be said to represent the upper portion of the cylindrical boiler, and made of ample size is most suitable for horticultural work. Fig. 11 shows the ordinary plain saddle, very suitable, when favourably placed, for 600 or 800 feet of 4 inch pipes. When the apparatus is from 800 to 2000 feet the terminal saddle. Fig. 12, should be used, because it occupies less space than the length of the plain saddle would require. For still larger apparatus u Stock Photo

RMRE40JH–. The fruit garden. Fruit-culture; Fruit trees. Fig. -Ordinary Plain Saddle Boiler Fig. 12.- -The Terminal Saddle Boiler The hot-water saddle boiler may be said to represent the upper portion of the cylindrical boiler, and made of ample size is most suitable for horticultural work. Fig. 11 shows the ordinary plain saddle, very suitable, when favourably placed, for 600 or 800 feet of 4 inch pipes. When the apparatus is from 800 to 2000 feet the terminal saddle. Fig. 12, should be used, because it occupies less space than the length of the plain saddle would require. For still larger apparatus u

. Bacteriology and mycology of foods. Food. Fig. 18.âMcLeod's Anaerobic Culture Apparatus. poured into the smaller of the dishes. This is allowed to harden and the excess of moisture is evaporated. Into the other dish, is placed a quantity of pyrogallol, over which the smaller dish is inverted. So- dium hydroxide is poured into the larger dish. While this is reacting with pyrogallol, an oil such as abolin is dropped into the same place. This successfully seals the chamber which is formed by the two dishes. Torrey's Method, This method was especially successful in the hands of Torrey for the is Stock Photo

RMPFXBKJ–. Bacteriology and mycology of foods. Food. Fig. 18.âMcLeod's Anaerobic Culture Apparatus. poured into the smaller of the dishes. This is allowed to harden and the excess of moisture is evaporated. Into the other dish, is placed a quantity of pyrogallol, over which the smaller dish is inverted. So- dium hydroxide is poured into the larger dish. While this is reacting with pyrogallol, an oil such as abolin is dropped into the same place. This successfully seals the chamber which is formed by the two dishes. Torrey's Method, This method was especially successful in the hands of Torrey for the is

THE LATEST SUBMARINES OF THE UNITED STATES NAVY. Home-Made Experimental Apparatus THE MIDDLE WEST NUMBER To moat Americana the Mississippi Valley and the rich country that spreads outward from either of its shores is farmland-a country which may well be regarded not only as the granary of the United States but of a large portion of the world as well. The Middle West is more than this. It is a country of wonderful engineering development and achieve ment wonderful because of the enormous scale on which its industrial works have been planned. On December th 1909 the SCIENTIFIC AMERICAN will Stock Photo

RM2ABTTAG–THE LATEST SUBMARINES OF THE UNITED STATES NAVY. Home-Made Experimental Apparatus THE MIDDLE WEST NUMBER To moat Americana the Mississippi Valley and the rich country that spreads outward from either of its shores is farmland-a country which may well be regarded not only as the granary of the United States but of a large portion of the world as well. The Middle West is more than this. It is a country of wonderful engineering development and achieve ment wonderful because of the enormous scale on which its industrial works have been planned. On December th 1909 the SCIENTIFIC AMERICAN will

. Electronic apparatus for biological research . Collector «)ltage Figure 45.6 almost entirely by the base current 4 and is much larger than it. We can define A, the 'forward current amplification factor' as L<54 F. const It is generally between 20 and 60. This suggests the beginnings of an equivalent circuit for the transistor, Figure 45.7. However, above the knee Stock Photo

RMMA7AP6–. Electronic apparatus for biological research . Collector «)ltage Figure 45.6 almost entirely by the base current 4 and is much larger than it. We can define A, the 'forward current amplification factor' as L<54 F. const It is generally between 20 and 60. This suggests the beginnings of an equivalent circuit for the transistor, Figure 45.7. However, above the knee

RF2Y3WGP3–round the turn of the 20th Century, The wheel itself was part of a larger apparatus used for processing ore found on Charlie’s claim on Ute Creek. Th

The Greater Manchester Fire Service Museum, in Rochdale, uk, is planning to start construction work at its new location, the adjacent former Maclure Road fire station, later this year .The building will be fully restored to its 1930s condition by late 2020. The move to larger premises means that full-sized fire engines can be displayed, alongside many fascinating historic items of firefighting equipment. Stock Photo

RMTTDDE6–The Greater Manchester Fire Service Museum, in Rochdale, uk, is planning to start construction work at its new location, the adjacent former Maclure Road fire station, later this year .The building will be fully restored to its 1930s condition by late 2020. The move to larger premises means that full-sized fire engines can be displayed, alongside many fascinating historic items of firefighting equipment.

Archive image from page 790 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana01todd Year: 1836 CRUSTACEA, 775 The biliary apparatus of the Crustacea is of very large size in the Decapocla. The liver is symmetrical (fig. 417), and consists of two halves generally separate one from another, and the whole organ is made up of an agglo- meration of ccecums, which by one of their extremities empty themselves into excretory ducts. These by their union form larger and larger trunks, and the secreted fluid or bile is finally poured by a double channel into the p Stock Photo

RMW1WEJ9–Archive image from page 790 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana01todd Year: 1836 CRUSTACEA, 775 The biliary apparatus of the Crustacea is of very large size in the Decapocla. The liver is symmetrical (fig. 417), and consists of two halves generally separate one from another, and the whole organ is made up of an agglo- meration of ccecums, which by one of their extremities empty themselves into excretory ducts. These by their union form larger and larger trunks, and the secreted fluid or bile is finally poured by a double channel into the p

RMRE40JD–. The fruit garden. Fruit-culture; Fruit trees. Fig. -Ordinary Plain Saddle Boiler Fig. 12.- -The Terminal Saddle Boiler The hot-water saddle boiler may be said to represent the upper portion of the cylindrical boiler, and made of ample size is most suitable for horticultural work. Fig. 11 shows the ordinary plain saddle, very suitable, when favourably placed, for 600 or 800 feet of 4 inch pipes. When the apparatus is from 800 to 2000 feet the terminal saddle. Fig. 12, should be used, because it occupies less space than the length of the plain saddle would require. For still larger apparatus u

. Soils, their properties and management. Soils. 94 SOILS: PROPERTIES AND MANAGEMENT the clay are decanted directly Into a test tube fitted into a centrifuge (see Fig. 15). Whirling at the rate of 800 to 1000 revolutions a minute will cause the subsidence of the silt to the bottom of the test tube in a few minutes. The clay is then decanted. The microscope is necessary here, in order to determine when the settling of the silt is complete. As small particles tend to cling to the larger particles, the entire operation must be repeated. Fig. 15. — Apparatus for centrifugal mechanical analysis of Stock Photo

RMPFXN91–. Soils, their properties and management. Soils. 94 SOILS: PROPERTIES AND MANAGEMENT the clay are decanted directly Into a test tube fitted into a centrifuge (see Fig. 15). Whirling at the rate of 800 to 1000 revolutions a minute will cause the subsidence of the silt to the bottom of the test tube in a few minutes. The clay is then decanted. The microscope is necessary here, in order to determine when the settling of the silt is complete. As small particles tend to cling to the larger particles, the entire operation must be repeated. Fig. 15. — Apparatus for centrifugal mechanical analysis of

FIRELESS LOCOMOTIVE. Dr. Emile Lamm of New Orleans whose invention of the ammonia engine was described and illustrated at page giving hie attention with very successful results to the eco nomic and absolutely safe propulsion of street cars by steam power. He was satisfied from the collected experiments of the past century that the efficiency of steam togsther with its intrinsic cheapness could not be called in question. The ob jections to its use lay first in the constant danger attending its generation in a boiler placed over an active fire ; and second in the consequent expense in curred Stock Photo

RM2ABW9FN–FIRELESS LOCOMOTIVE. Dr. Emile Lamm of New Orleans whose invention of the ammonia engine was described and illustrated at page giving hie attention with very successful results to the eco nomic and absolutely safe propulsion of street cars by steam power. He was satisfied from the collected experiments of the past century that the efficiency of steam togsther with its intrinsic cheapness could not be called in question. The ob jections to its use lay first in the constant danger attending its generation in a boiler placed over an active fire ; and second in the consequent expense in curred

. Electronic apparatus for biological research . Diode current the short period /. Since all the output current must at some time have passed through the diode, it follows that the diode current must be of a magnitude many times the load current. Further, it is clear that if the capacitance be increased for a given load, the diode conduction time becomes even shorter and the peak diode current must of necessity become larger in order that power may be supplied to the load at the same rate. It is these large peak currents which are damaging to thermionic diodes, though the makers of selenium di Stock Photo

RMMA7BM4–. Electronic apparatus for biological research . Diode current the short period /. Since all the output current must at some time have passed through the diode, it follows that the diode current must be of a magnitude many times the load current. Further, it is clear that if the capacitance be increased for a given load, the diode conduction time becomes even shorter and the peak diode current must of necessity become larger in order that power may be supplied to the load at the same rate. It is these large peak currents which are damaging to thermionic diodes, though the makers of selenium di

RF2Y3WHHP–round the turn of the 20th Century, The wheel itself was part of a larger apparatus used for processing ore found on Charlie’s claim on Ute Creek. Th

Firefighters' tools. The Greater Manchester Fire Service Museum, in Rochdale, uk, is planning to start construction work at its new location, the adjacent former Maclure Road fire station, later this year .The building will be fully restored to its 1930s condition by late 2020. The move to larger premises means that full-sized fire engines can be displayed, alongside many fascinating historic items of firefighting equipment. Stock Photo

RMTTDA1F–Firefighters' tools. The Greater Manchester Fire Service Museum, in Rochdale, uk, is planning to start construction work at its new location, the adjacent former Maclure Road fire station, later this year .The building will be fully restored to its 1930s condition by late 2020. The move to larger premises means that full-sized fire engines can be displayed, alongside many fascinating historic items of firefighting equipment.

ELECTRICAL ENGINEERING TAIIMIT BY MAIL. LW FABER Manufacior Established 1761. FOR 50c. YOU CAN SIMPLE. SAFE and ECONOMICAL 'ELECTRIC GAS LIGHTING.' CAN YOU JOSEPH L. SHOEMAKER & CO. 10c.each all 4 for 30c. Home Supply Co. 0.91 132 Nassau St. New York. YOU ARE EASY EveryMechanic Should Own It. MONTGOMERY 1 CO. The Franklin Model Shop. PAKSELL & WEED I PRINT MY OWN CARDS Engineering. Illustrating Architecture Decorating Mining Journalism Metallurgy Bookkeeping Art Stenography and English Branches. Warren's Natural Asphalt Stone Surfaced Roofing ART CALENDAR Hand Book on Patents Trade Marks Etc Stock Photo

RM2ABXR3N–ELECTRICAL ENGINEERING TAIIMIT BY MAIL. LW FABER Manufacior Established 1761. FOR 50c. YOU CAN SIMPLE. SAFE and ECONOMICAL 'ELECTRIC GAS LIGHTING.' CAN YOU JOSEPH L. SHOEMAKER & CO. 10c.each all 4 for 30c. Home Supply Co. 0.91 132 Nassau St. New York. YOU ARE EASY EveryMechanic Should Own It. MONTGOMERY 1 CO. The Franklin Model Shop. PAKSELL & WEED I PRINT MY OWN CARDS Engineering. Illustrating Architecture Decorating Mining Journalism Metallurgy Bookkeeping Art Stenography and English Branches. Warren's Natural Asphalt Stone Surfaced Roofing ART CALENDAR Hand Book on Patents Trade Marks Etc

Archive image from page 587 of Dairy farming being the. Dairy farming : being the theory, practice, and methods of dairying dairyfarmingbein00shel Year: 1880 514 DAIRY FARMING. hard. The curd is collected into cloths and hung uj) for the whey to drain off. Afterwards it is j)ut between two boards or hurdles and wei<jhted to effect this purpose still more completely. The curd is now rolled in a cylindrical form and wrapped in paper; larger quantities are, however, much better made with the apparatus sliown in Fig. 330. fc L- Fig. 330. While the little- wooden piston paper rolls are arra Stock Photo

RMW1W6NE–Archive image from page 587 of Dairy farming being the. Dairy farming : being the theory, practice, and methods of dairying dairyfarmingbein00shel Year: 1880 514 DAIRY FARMING. hard. The curd is collected into cloths and hung uj) for the whey to drain off. Afterwards it is j)ut between two boards or hurdles and wei<jhted to effect this purpose still more completely. The curd is now rolled in a cylindrical form and wrapped in paper; larger quantities are, however, much better made with the apparatus sliown in Fig. 330. fc L- Fig. 330. While the little- wooden piston paper rolls are arra

The hygiene of transmissible diseases; their causation, modes of dissemination, and methods of prevention . Fig. 41.—Apparatus for generating formaldehyde from tablets of polymerizedformaldehyde : i, small form ; 2, for larger quantities ; A in each figure indicatesthe cup in which the tablets are placed. when the latter are freely exposed to its action ; that it quickly Stock Photo

RM2AKXTAF–The hygiene of transmissible diseases; their causation, modes of dissemination, and methods of prevention . Fig. 41.—Apparatus for generating formaldehyde from tablets of polymerizedformaldehyde : i, small form ; 2, for larger quantities ; A in each figure indicatesthe cup in which the tablets are placed. when the latter are freely exposed to its action ; that it quickly

. Bacteriology and mycology of foods. Food. ENUMERATION OF MICROORaANLSMS 11 The dilution water in deiSmte aniountb may be put into them befoie sterilization but the quantity of water has been found to be altered dunng this procedure. To obviate this difficulty, the containers may be plugged and sterilized empty while the water may be sterihzed in a larger bottle. This may then be transferred to the dilution bottles with a sterile pipette.. Fig. 10—Stewart's Counting Apparatus The Petri clisb is illuminated by oblique rays of light commg from an incandescent light. Enumeration of Bacteria Seve Stock Photo

RMPFXBMR–. Bacteriology and mycology of foods. Food. ENUMERATION OF MICROORaANLSMS 11 The dilution water in deiSmte aniountb may be put into them befoie sterilization but the quantity of water has been found to be altered dunng this procedure. To obviate this difficulty, the containers may be plugged and sterilized empty while the water may be sterihzed in a larger bottle. This may then be transferred to the dilution bottles with a sterile pipette.. Fig. 10—Stewart's Counting Apparatus The Petri clisb is illuminated by oblique rays of light commg from an incandescent light. Enumeration of Bacteria Seve

. Electronic apparatus for biological research . Transistor 1 Transistor 2 Figure 45.30 circuits the position is reversed. The output impedance of a transistor stage is larger than the input impedance of the stage which follows it, and under these conditions the arrangement of Figure 45.29 gives poor control; a better scheme is shown in Figure 45.30, and this is the one usually used. It has another important advantage: the transistor is essentially a current- controlled device. It is the input current, not the input voltage, which is accurately amplified. The input resistance is that of a diod Stock Photo

RMMA7AN2–. Electronic apparatus for biological research . Transistor 1 Transistor 2 Figure 45.30 circuits the position is reversed. The output impedance of a transistor stage is larger than the input impedance of the stage which follows it, and under these conditions the arrangement of Figure 45.29 gives poor control; a better scheme is shown in Figure 45.30, and this is the one usually used. It has another important advantage: the transistor is essentially a current- controlled device. It is the input current, not the input voltage, which is accurately amplified. The input resistance is that of a diod

RF2Y3WH6J–round the turn of the 20th Century, The wheel itself was part of a larger apparatus used for processing ore found on Charlie’s claim on Ute Creek. Th

'TUBULAR DRIVING LAMP. 4v-ESTABLISHED 1840 kW FABER Manufactory Established 1761. EVANS VacuumCap ALL ROADS ARE ALIKE T RUNS EVERYWHERE EXPERIENCE NEW BOOKS ETC. PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific American. MUNN &C0.363'dwaY' New York THE BLAST FURNACE AS A POWER PRO HENRY CAREY BAIRD & C 810 Walnut St. Philadelphia Pa.„ U.S. A. ° . L 2 -ai-T . '''' ft Itateis A Secure Position Is yours. if you are properly trained. Engineering. Illustrating Architecture Decorating Mining Journalism Art Stenography and English Branches. THE ELECTRICAL ENGINEERING TAUGHT BY MAIL. Chicago-New Stock Photo

RM2ABXR53–'TUBULAR DRIVING LAMP. 4v-ESTABLISHED 1840 kW FABER Manufactory Established 1761. EVANS VacuumCap ALL ROADS ARE ALIKE T RUNS EVERYWHERE EXPERIENCE NEW BOOKS ETC. PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific American. MUNN &C0.363'dwaY' New York THE BLAST FURNACE AS A POWER PRO HENRY CAREY BAIRD & C 810 Walnut St. Philadelphia Pa.„ U.S. A. ° . L 2 -ai-T . '''' ft Itateis A Secure Position Is yours. if you are properly trained. Engineering. Illustrating Architecture Decorating Mining Journalism Art Stenography and English Branches. THE ELECTRICAL ENGINEERING TAUGHT BY MAIL. Chicago-New

Ecological animal geography; an authorized, Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage ecologicalanimal00hess Year: 1937 THE PELAGIAL 237 to the size of pteropods, form the food of the larger pelagic animals. In order to secure their food, which is minute as compared with them- selves, the plankton feeders require special apparatus which has been convergently developed from different origins into similar structures with like functions. Lohmann19 divides the plankton feeders into three groups, those which feed by means of t Stock Photo

RMRX8BTP–Ecological animal geography; an authorized, Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage ecologicalanimal00hess Year: 1937 THE PELAGIAL 237 to the size of pteropods, form the food of the larger pelagic animals. In order to secure their food, which is minute as compared with them- selves, the plankton feeders require special apparatus which has been convergently developed from different origins into similar structures with like functions. Lohmann19 divides the plankton feeders into three groups, those which feed by means of t

Hardware merchandising January-March 1911 . SUITABLE FOR HEATING GREENHOUSES, COACHHOUSES, MOTORHOUSES, FORGING PITS, ETC.OR LARGER BOILERS SUPPLIED FOR HEATING OR SUPPLYING HOT WATER TO DWELLING-HOUSES, SCHOOLS, CHURCHES, ETC. ESTIMATES PREPARED FOR COMPLETE APPARATUS. ILLUSTRATED LIST FREE ON APPLICATION HEATING SPECIALISTS JONES & ATTWOOD, Ltd., s^^Io^bngland 22 HARDWARE AND METAL Stock Photo

RM2AJ0C3J–Hardware merchandising January-March 1911 . SUITABLE FOR HEATING GREENHOUSES, COACHHOUSES, MOTORHOUSES, FORGING PITS, ETC.OR LARGER BOILERS SUPPLIED FOR HEATING OR SUPPLYING HOT WATER TO DWELLING-HOUSES, SCHOOLS, CHURCHES, ETC. ESTIMATES PREPARED FOR COMPLETE APPARATUS. ILLUSTRATED LIST FREE ON APPLICATION HEATING SPECIALISTS JONES & ATTWOOD, Ltd., s^^Io^bngland 22 HARDWARE AND METAL

. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. CRUSTACEA, 775 The biliary apparatus of the Crustacea is of very large size in the Decapocla. The liver is symmetrical (fig. 417), and consists of two halves generally separate one from another, and the whole organ is made up of an agglo- meration of ccecums, which by one of their extremities empty themselves into excretory ducts. These by their union form larger and larger trunks, and the secreted fluid or bile is finally poured by a double channel into the pyloric portion of the stomach. The liver is found to undergo e Stock Photo

RMPFN5JW–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. CRUSTACEA, 775 The biliary apparatus of the Crustacea is of very large size in the Decapocla. The liver is symmetrical (fig. 417), and consists of two halves generally separate one from another, and the whole organ is made up of an agglo- meration of ccecums, which by one of their extremities empty themselves into excretory ducts. These by their union form larger and larger trunks, and the secreted fluid or bile is finally poured by a double channel into the pyloric portion of the stomach. The liver is found to undergo e

. Electron microscopy; proceedings of the Stockholm Conference, September, 1956 . Fig. 4. Electron miciograpli of a small part of the highly differentiated Golgi zone of a neurone. The line A-B in fig. 1 passes throughasimilar region. Magnification 21,000. of the cell body lying next to the nucleus. In larger neurones they extend from the nucleus (which is excentrically placed) into much of the cell body. Additional details of the structure of the Golgi filaments are revealed when cells are treated by Kolatchev"s method and examined by electron mi- croscopy. The Golgi apparatus is found t Stock Photo

RMMA7AAX–. Electron microscopy; proceedings of the Stockholm Conference, September, 1956 . Fig. 4. Electron miciograpli of a small part of the highly differentiated Golgi zone of a neurone. The line A-B in fig. 1 passes throughasimilar region. Magnification 21,000. of the cell body lying next to the nucleus. In larger neurones they extend from the nucleus (which is excentrically placed) into much of the cell body. Additional details of the structure of the Golgi filaments are revealed when cells are treated by Kolatchev"s method and examined by electron mi- croscopy. The Golgi apparatus is found t

RF2Y3WHC3–round the turn of the 20th Century, The wheel itself was part of a larger apparatus used for processing ore found on Charlie’s claim on Ute Creek. Th

Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 CATHODE FOLLOWER argument, if we are working where the input resistance is negative, then it is 20 times higher in the cathode follower configuration than as an amphfier, and the amount of external positive resistance required to ensure stability can be 20 times higher. This much larger external resistance can often be the source resistance itself, and there is then no need to provide a special resistor (/?' in Figure 11.11) to ensure stabiHty. Thus, whatever the bias Stock Photo

RMRYT7GG–Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 CATHODE FOLLOWER argument, if we are working where the input resistance is negative, then it is 20 times higher in the cathode follower configuration than as an amphfier, and the amount of external positive resistance required to ensure stability can be 20 times higher. This much larger external resistance can often be the source resistance itself, and there is then no need to provide a special resistor (/?' in Figure 11.11) to ensure stabiHty. Thus, whatever the bias

$. Machinery and processes of the industrial arts, and apparatus of the exact sciences. diapasons whose times are as three to four, representing the chord of afourth. The first of these appears when the initial difference of phaseis zero; the succeeding ones correspond to differences of phase equal tothe fractions ^-, yL, J., and i of the larger vibration; that is to say, theymake their appearance if, when the shorter vibration begins, the longeris advanced by the amounts of these several fractions. Fig. 101.. Lissajouss Comparator. The apparatus here described is adapted to exhibit the vibrati Stock Photo$

RM2AGDMTP–. Machinery and processes of the industrial arts, and apparatus of the exact sciences. diapasons whose times are as three to four, representing the chord of afourth. The first of these appears when the initial difference of phaseis zero; the succeeding ones correspond to differences of phase equal tothe fractions ^-, yL, J., and i of the larger vibration; that is to say, theymake their appearance if, when the shorter vibration begins, the longeris advanced by the amounts of these several fractions. Fig. 101.. Lissajouss Comparator. The apparatus here described is adapted to exhibit the vibrati

. A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures. Microscopes; Microscopy. 492 APPENDIX. a vertical direction, and reflect it to the axis of the body, C, which carries the eye-pieces without any perceptible loss of. Fig. 266. light. When an object is required to be very much heated, a larger plate, the edges of which are heated by small spirit- lamps, is laid upon the small plate, P. The magnifying powers to be obtained in this microscope vary from 25 to 500 diameters, and all the apparatus Stock Photo

RMPG43CE–. A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures. Microscopes; Microscopy. 492 APPENDIX. a vertical direction, and reflect it to the axis of the body, C, which carries the eye-pieces without any perceptible loss of. Fig. 266. light. When an object is required to be very much heated, a larger plate, the edges of which are heated by small spirit- lamps, is laid upon the small plate, P. The magnifying powers to be obtained in this microscope vary from 25 to 500 diameters, and all the apparatus

. Electronic apparatus for biological research . (c) This is class B working, in which the steady component of anode current has been eliminated, leading to much better circuit efficiency. Finally, if M is made any larger, the anode current has the form of Figure 14.5c, in which the current flows only in short bursts. This is class C working, in which the valve gives itself a mean bias beyond cut off. This is the most efficient mode of working of all. At this point it may be objected that the output of an oscillator having an anode current of the form of Figure 14.5c can surely not be very sin Stock Photo

RMMA7BDX–. Electronic apparatus for biological research . (c) This is class B working, in which the steady component of anode current has been eliminated, leading to much better circuit efficiency. Finally, if M is made any larger, the anode current has the form of Figure 14.5c, in which the current flows only in short bursts. This is class C working, in which the valve gives itself a mean bias beyond cut off. This is the most efficient mode of working of all. At this point it may be objected that the output of an oscillator having an anode current of the form of Figure 14.5c can surely not be very sin

Elements of comparative anatomy (1878) Elements of comparative anatomy elementsofcompar00gege Year: 1878 360 COMPARATIVE ANATOMY. to its function ; this function is to seize and comminute the food of the animal. The apparatus, which forms the chief portion of this arrangement, is a cuticular membrane which rises up from the lower wall; on it there are small teeth or hooks, which are directed back- wards and arranged in transverse rows. The teeth vary very greatly in arrangement (Fig. 191, a b c J), form, and number; they are not only different in the larger di- visions, but also in the orders Stock Photo

RMRWWE9R–Elements of comparative anatomy (1878) Elements of comparative anatomy elementsofcompar00gege Year: 1878 360 COMPARATIVE ANATOMY. to its function ; this function is to seize and comminute the food of the animal. The apparatus, which forms the chief portion of this arrangement, is a cuticular membrane which rises up from the lower wall; on it there are small teeth or hooks, which are directed back- wards and arranged in transverse rows. The teeth vary very greatly in arrangement (Fig. 191, a b c J), form, and number; they are not only different in the larger di- visions, but also in the orders

Scientific amusements . earmuch larger than the black of the former one, although ofthe same diameter. There are in these facts many pointswhich may interest not only students of micrography, butalso artists. As to the algae, the origin of this investiga-tion, it remains to be discovered if these circles whichcover their silicious carapace arc the projection of smallhemispheres, or the section of openings made in the thickcovering. Certain experiments, however, seem to provethat they are hemispheres, and the theory is also con- MR. THOMPSONS APPARATUS. 93 firmed by a microscopic photograph fro Stock Photo

RM2AXDMX5–Scientific amusements . earmuch larger than the black of the former one, although ofthe same diameter. There are in these facts many pointswhich may interest not only students of micrography, butalso artists. As to the algae, the origin of this investiga-tion, it remains to be discovered if these circles whichcover their silicious carapace arc the projection of smallhemispheres, or the section of openings made in the thickcovering. Certain experiments, however, seem to provethat they are hemispheres, and the theory is also con- MR. THOMPSONS APPARATUS. 93 firmed by a microscopic photograph fro

. Bacteriology and mycology of foods. Food. ANAEROBIC METHODS 19 ticine. After this is done air is excluded and the potassium hydroxide and pyrogallic acid are mixed by tilting the dish. Zinsser's Method. The main apparatus involved in the apphca- tion of this method is a set of circular glass dishes similar to a Petri dish except that they are much deeper and a larger space is left between the sides. The agar which has been inoculated with the sample is. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and Stock Photo

RMPFXBKR–. Bacteriology and mycology of foods. Food. ANAEROBIC METHODS 19 ticine. After this is done air is excluded and the potassium hydroxide and pyrogallic acid are mixed by tilting the dish. Zinsser's Method. The main apparatus involved in the apphca- tion of this method is a set of circular glass dishes similar to a Petri dish except that they are much deeper and a larger space is left between the sides. The agar which has been inoculated with the sample is. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and

. An electronic wave-height measureing apparatus . Figure 1 - F'unctional Block Diagram of Apparatus be described briefly as follows: The rise and fall of the water level in which the gaging element has been immersed produces very nearly linear changes of electrical capacitance as measured between the two terminals of the gage; the gage forms a small part of a larger fixed capacitor which is one arm of a resonant a-c bridge. These relatively small capacitance changes produce output voltages from the bridge which are proportional in amplitude and phase, to the degree and sense of the bridge unb Stock Photo

RMMA7AJ3–. An electronic wave-height measureing apparatus . Figure 1 - F'unctional Block Diagram of Apparatus be described briefly as follows: The rise and fall of the water level in which the gaging element has been immersed produces very nearly linear changes of electrical capacitance as measured between the two terminals of the gage; the gage forms a small part of a larger fixed capacitor which is one arm of a resonant a-c bridge. These relatively small capacitance changes produce output voltages from the bridge which are proportional in amplitude and phase, to the degree and sense of the bridge unb

Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 oul :4V l^sin wt feut- AV Figure 6.26 Figure 6.27 It is possible to multiply the generator voltage by larger factors by stacking up further capacitances and diodes in a similar manner. However, due to losses in the diodes the law of diminishing returns operates strongly at high orders of voltage multiplication and the proportional discrepancy between the desired output voltage and the output voltage actually achieved becomes serious. Sextuplers are uncommon. The Coc Stock Photo

RMRYR121–Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 oul :4V l^sin wt feut- AV Figure 6.26 Figure 6.27 It is possible to multiply the generator voltage by larger factors by stacking up further capacitances and diodes in a similar manner. However, due to losses in the diodes the law of diminishing returns operates strongly at high orders of voltage multiplication and the proportional discrepancy between the desired output voltage and the output voltage actually achieved becomes serious. Sextuplers are uncommon. The Coc

Apparatus for the determination of the magnetic properties of short bars . ralless than 5 per cent of the magnetizing force corresponding to agiven induction. Determinations of the properties of the samebars were made by tVY^o other methods, designated as i and 2, andare given in Table i. While these other methods are capable ofgreater accuracy when the material is of larger size, the errorsare considerable when the specimens are as small as those usedhere. In order to test these bars in the Burrows permeameter, theyare necessarily longer than required for the comparator, and con-sequently pro Stock Photo

RM2AJF4FK–Apparatus for the determination of the magnetic properties of short bars . ralless than 5 per cent of the magnetizing force corresponding to agiven induction. Determinations of the properties of the samebars were made by tVY^o other methods, designated as i and 2, andare given in Table i. While these other methods are capable ofgreater accuracy when the material is of larger size, the errorsare considerable when the specimens are as small as those usedhere. In order to test these bars in the Burrows permeameter, theyare necessarily longer than required for the comparator, and con-sequently pro

. The culture of pot-plants in rooms, greenhouses, & frames. Plants, Potted; Container gardening. POT-PLANTS IN ROOMS 3 form. It cannot absorb solid matter. It has nothing corre- sponding to the mouth and channels by which food is conveyed to the digestive apparatus in an animal, there to be prepared for distribution throughout the system. The food materials must be dissolved in water, so that they can be absorbed by the tips of the roots, from which they pass into the various cells through the cell walls until they reach. Fig. I.—Plant (left) recently moved from larger pot ; another (righ Stock Photo

RMPFWMYC–. The culture of pot-plants in rooms, greenhouses, & frames. Plants, Potted; Container gardening. POT-PLANTS IN ROOMS 3 form. It cannot absorb solid matter. It has nothing corre- sponding to the mouth and channels by which food is conveyed to the digestive apparatus in an animal, there to be prepared for distribution throughout the system. The food materials must be dissolved in water, so that they can be absorbed by the tips of the roots, from which they pass into the various cells through the cell walls until they reach. Fig. I.—Plant (left) recently moved from larger pot ; another (righ

. Electronic apparatus for biological research . feut- AV Figure 6.26 Figure 6.27 It is possible to multiply the generator voltage by larger factors by stacking up further capacitances and diodes in a similar manner. However, due to losses in the diodes the law of diminishing returns operates strongly at high orders of voltage multiplication and the proportional discrepancy between the desired output voltage and the output voltage actually achieved becomes serious. Sextuplers are uncommon. The Cockcroft-Walton quadrupler is sometimes seen in an alternative form, shown in Figure 6.27. The capac Stock Photo

RMMA7BKM–. Electronic apparatus for biological research . feut- AV Figure 6.26 Figure 6.27 It is possible to multiply the generator voltage by larger factors by stacking up further capacitances and diodes in a similar manner. However, due to losses in the diodes the law of diminishing returns operates strongly at high orders of voltage multiplication and the proportional discrepancy between the desired output voltage and the output voltage actually achieved becomes serious. Sextuplers are uncommon. The Cockcroft-Walton quadrupler is sometimes seen in an alternative form, shown in Figure 6.27. The capac

$Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 SOFT VALVES milliamps. Whilst they are therefore similar in principle to reference tubes, they are much larger and more robust affairs. To ensure that the tubes will strike we arrange them in order, with high resistances across the less refractory ones, and apply the same rule as for reference tubes, except that the voltage seen by the tubes is now not V^^ but K{RlKR + Rl)}- I R oâ^-^vvw- ^i ^. R, Figure 7.5 Figure 7.6 If the string of stabihzer tubes has an increme Stock Photo$

RMRYT2J7–Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 SOFT VALVES milliamps. Whilst they are therefore similar in principle to reference tubes, they are much larger and more robust affairs. To ensure that the tubes will strike we arrange them in order, with high resistances across the less refractory ones, and apply the same rule as for reference tubes, except that the voltage seen by the tubes is now not V^^ but K{RlKR + Rl)}- I R oâ^-^vvw- ^i ^. R, Figure 7.5 Figure 7.6 If the string of stabihzer tubes has an increme

The practice of surgery . -forms of inflammation, curious tumors, tuberculosis, and syphilis.The writers on internal medicine deal with these matters. I refer thereader to such treatises as those of Xothnagel, Osier, Wood, Fitz, andthe larger systems of surgery. CHAPTER V THE LIVER AND BILE-PASSAGES The Liver In general terms it is convenient for the surgeon to regard the Uveras an accessory digestive organ—accessory to the stomach and in-testines, ^loreover, it is interesting to reflect that by far the mostimportant portion, surgically, of the liver apparatus is the system ofducts connecting Stock Photo

RM2AWKGG0–The practice of surgery . -forms of inflammation, curious tumors, tuberculosis, and syphilis.The writers on internal medicine deal with these matters. I refer thereader to such treatises as those of Xothnagel, Osier, Wood, Fitz, andthe larger systems of surgery. CHAPTER V THE LIVER AND BILE-PASSAGES The Liver In general terms it is convenient for the surgeon to regard the Uveras an accessory digestive organ—accessory to the stomach and in-testines, ^loreover, it is interesting to reflect that by far the mostimportant portion, surgically, of the liver apparatus is the system ofducts connecting

. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. DEVELOPMENT IN WDELPHYS 71 epidermis. In the stage 3-8 centimetres long, corresponding to the dark tones in Fig. 22, there are now present on either side of the nipple primordia well-marked ingrowths of. Fig. 25.—Transverse Section of Abdominal Skin IN THE Region of the Nipple Primordia of "didelphys marsupialis." successive stages. (Bresslau.) the epidermis. These then extend inwards so rapidly that at the stage 4*4 centimetres they are much larger than the nipple primor Stock Photo

RMPG43CW–. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. DEVELOPMENT IN WDELPHYS 71 epidermis. In the stage 3-8 centimetres long, corresponding to the dark tones in Fig. 22, there are now present on either side of the nipple primordia well-marked ingrowths of. Fig. 25.—Transverse Section of Abdominal Skin IN THE Region of the Nipple Primordia of "didelphys marsupialis." successive stages. (Bresslau.) the epidermis. These then extend inwards so rapidly that at the stage 4*4 centimetres they are much larger than the nipple primor

. Electronic apparatus for biological research . Figure 29.5 A.c. bridge circuit of a resistance thermometer (RT) The resistance in series with the element must be at least of 1 kD, or larger, in order to limit the current in the element to a negligible heat effect (i.e. less than a mW). The support for the very fine wire must also be minimal in size—mica sheet is suggested. Calibration against a mercury thermometer in a gas needs an extremely long time for the mercury to equilibrate; it is possible to calibrate in a bath of pure mineral oil provided: (1) it is ascertained that immersion has n Stock Photo

RMMA7B5C–. Electronic apparatus for biological research . Figure 29.5 A.c. bridge circuit of a resistance thermometer (RT) The resistance in series with the element must be at least of 1 kD, or larger, in order to limit the current in the element to a negligible heat effect (i.e. less than a mW). The support for the very fine wire must also be minimal in size—mica sheet is suggested. Calibration against a mercury thermometer in a gas needs an extremely long time for the mercury to equilibrate; it is possible to calibrate in a bath of pure mineral oil provided: (1) it is ascertained that immersion has n

Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 COLD CATHODE DIODE resistance, which is 70 V/1 mA = 70 kQ. Referring to Figure 7.4, it is clear that the goodness of the stabihzation depends on the attenuation of incre- ments in V^, that is, on R being much larger than 200 ohms. There is, however, a catch here. Suppose we choose a tube current of 1 mA as lying nicely in the centre of the makers' recommended range, and suppose Fj = 100 V. A 250-fold reduction in fluctuations of K,^ sounds attractive, so let us aim for Stock Photo

RMRYT2D7–Electronic apparatus for biological research Electronic apparatus for biological research . electronicappara00dona Year: 1958 COLD CATHODE DIODE resistance, which is 70 V/1 mA = 70 kQ. Referring to Figure 7.4, it is clear that the goodness of the stabihzation depends on the attenuation of incre- ments in V^, that is, on R being much larger than 200 ohms. There is, however, a catch here. Suppose we choose a tube current of 1 mA as lying nicely in the centre of the makers' recommended range, and suppose Fj = 100 V. A 250-fold reduction in fluctuations of K,^ sounds attractive, so let us aim for

Milk and its products; a treatise upon the nature and qualities of dairy milk and the manufacture of butter and cheese . re these results byaeration, however, it is necessarythat the apparatus used for aerationshould expose the milk thoroughlyto • the air, should not be cumber-some, and should be simple and ea-sily cleaned; moreover, the processof aeration should always take placein the purest atmosphere possible. Delivery of the millc. — In ordi-nary practice in the smaller townsand villages, and to a considerableextent in the larger cities also, the-milk is placed in cans in which it is tran Stock Photo

RM2AM0T9F–Milk and its products; a treatise upon the nature and qualities of dairy milk and the manufacture of butter and cheese . re these results byaeration, however, it is necessarythat the apparatus used for aerationshould expose the milk thoroughlyto • the air, should not be cumber-some, and should be simple and ea-sily cleaned; moreover, the processof aeration should always take placein the purest atmosphere possible. Delivery of the millc. — In ordi-nary practice in the smaller townsand villages, and to a considerableextent in the larger cities also, the-milk is placed in cans in which it is tran

. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. 126 MAMMARY APPARATUS OF THE MAMMALIA. Fig. 44.—Nipple Development of "Sciueus VULGARIS." Embeyo, No. 7. (Beesslau.) [<i, Uj, and », The four primary-primordia; ir and o, .smaller pectoral and abdominal primary-primordia separated from larger primordia and shifted medio-ventrally.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectl Stock Photo

RMPG43AE–. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. 126 MAMMARY APPARATUS OF THE MAMMALIA. Fig. 44.—Nipple Development of "Sciueus VULGARIS." Embeyo, No. 7. (Beesslau.) [<i, Uj, and », The four primary-primordia; ir and o, .smaller pectoral and abdominal primary-primordia separated from larger primordia and shifted medio-ventrally.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectl

. Fig. 20. Opening and closing mechanism for large horizontal nets, shown in use. at n: the former is $ lb. in weight and stream-lined in form, the latter is 22 lb. in weight and apart from the conical extension piece is similar in shape. The smaller messenger travels at a rate of 3^-47 min. and the larger at about 4-5 min. per 1000 m., the speed depending largely on the angle of the warp. The entire apparatus is made of phosphor bronze except for certain pins, at points where exceptional strength is required, which are of steel. Apart from the defects shown in the stop this apparatus proved Stock Photo

RMMCMWD9–. Fig. 20. Opening and closing mechanism for large horizontal nets, shown in use. at n: the former is $ lb. in weight and stream-lined in form, the latter is 22 lb. in weight and apart from the conical extension piece is similar in shape. The smaller messenger travels at a rate of 3^-47 min. and the larger at about 4-5 min. per 1000 m., the speed depending largely on the angle of the warp. The entire apparatus is made of phosphor bronze except for certain pins, at points where exceptional strength is required, which are of steel. Apart from the defects shown in the stop this apparatus proved

. The principles of physics. cted. If thenwe would at any time stop the action, we have only to dis-connect the metals. It seems also that the wire connectingthe two metals serves some important purpose in keeping upthis action. Experiment ^—In this experiment it will be necessary to use metalplates of much larger size, or (which will prove much more satisfactory)we must use an apparatus somewhat in advance of our present knowledge,viz. a battery (§ 431) of (say) fourcells connected in series (§ 482). a. Connect the copper to thelower disk of the electroscope (Fig.358) by an insulated wire, me Stock Photo

RM2AFR65M–. The principles of physics. cted. If thenwe would at any time stop the action, we have only to dis-connect the metals. It seems also that the wire connectingthe two metals serves some important purpose in keeping upthis action. Experiment ^—In this experiment it will be necessary to use metalplates of much larger size, or (which will prove much more satisfactory)we must use an apparatus somewhat in advance of our present knowledge,viz. a battery (§ 431) of (say) fourcells connected in series (§ 482). a. Connect the copper to thelower disk of the electroscope (Fig.358) by an insulated wire, me

. [Articles about birds from National geographic magazine]. Birds. ALERT GUARDS POUNCE UPON A HAPLESS STRANGER Although the bumblebee is much larger and stronger than the attacking honeybees, the fero- cious fighting workers make quicl<: work of the casual visitor with their stings. Each colony has a distinctive odor, so that sentinels even recognize and pounce on invading honeybees from other hives.. ) National Geoeraphic Society THE AIR-CONDITIONING APPARATUS OF A BEEHIVE HUMS AT ITS DOOR The idea of an air-cooled home is not new. A corps of firmly anchored fanners make their wings vibrat Stock Photo

RMPFW06W–. [Articles about birds from National geographic magazine]. Birds. ALERT GUARDS POUNCE UPON A HAPLESS STRANGER Although the bumblebee is much larger and stronger than the attacking honeybees, the fero- cious fighting workers make quicl<: work of the casual visitor with their stings. Each colony has a distinctive odor, so that sentinels even recognize and pounce on invading honeybees from other hives.. ) National Geoeraphic Society THE AIR-CONDITIONING APPARATUS OF A BEEHIVE HUMS AT ITS DOOR The idea of an air-cooled home is not new. A corps of firmly anchored fanners make their wings vibrat

. Electronic apparatus for biological research . 6,000 Wavelength Figure 28.23 The spectral sensitivity curves for type A, B and S photocathodes â 30 >Â« ?0 S 10 Type 'SCc ithod e /^ ''"^ V / / V / , 4.000 6.000 8,000 10,000 Wavelength 12.000 Figure 28.24 The spectral sensitivity curve of the type S cathode shown in Figure 28.23 redrawn on a larger scale about 1,100 m^ where type A and B photocathodes are insensitive. In Figure 28.24 the spectral sensitivity of the type S cathode is redrawn on a larger scale. In Figures 28.23 and 28.24 the photoelectric current produced at each Stock Photo

RMMA7B6H–. Electronic apparatus for biological research . 6,000 Wavelength Figure 28.23 The spectral sensitivity curves for type A, B and S photocathodes â 30 >Â« ?0 S 10 Type 'SCc ithod e /^ ''"^ V / / V / , 4.000 6.000 8,000 10,000 Wavelength 12.000 Figure 28.24 The spectral sensitivity curve of the type S cathode shown in Figure 28.23 redrawn on a larger scale about 1,100 m^ where type A and B photocathodes are insensitive. In Figure 28.24 the spectral sensitivity of the type S cathode is redrawn on a larger scale. In Figures 28.23 and 28.24 the photoelectric current produced at each

Elementary treatise on electric batteries . ords, the larger the surface to be polarized, themore slowly the effect of the polarization will be felt. This is the second reason given for the disposition ofWollaston, in which the surface of the zinc is entirelysurrounded by the surface of the copper. We will re-turn to this subject farther on, in speaking of the actionof the air upon batteries. SPIRAL BATTEKY. The two electrodes of this battery are rolled parallel toeach other in the form of a helix, and separated by atissue of osier; in the centre is a wooden handle to whichthe whole apparatus Stock Photo

RM2AX0M9P–Elementary treatise on electric batteries . ords, the larger the surface to be polarized, themore slowly the effect of the polarization will be felt. This is the second reason given for the disposition ofWollaston, in which the surface of the zinc is entirelysurrounded by the surface of the copper. We will re-turn to this subject farther on, in speaking of the actionof the air upon batteries. SPIRAL BATTEKY. The two electrodes of this battery are rolled parallel toeach other in the form of a helix, and separated by atissue of osier; in the centre is a wooden handle to whichthe whole apparatus

. The cytoplasm of the plant cell. Plant cells and tissues; Protoplasm. Chapter XVII — 197 — Golgi Apparatus from the tip, they become transformed into a vacuolar canal con- taining numerous corpuscles which take up the silver (Fig, 132). Silver methods gave us similar results in other fungi (Endo- myces Magnusii, yeasts) whose vacuoles are not filamentous but begin as small spherical elements filled with metachromatin. The silver methods make these elements appear as small vacuoles, each containing one silver-staining body, whereas in the larger vacuoles, arising from the coalescence of the s Stock Photo

RMPFH87F–. The cytoplasm of the plant cell. Plant cells and tissues; Protoplasm. Chapter XVII — 197 — Golgi Apparatus from the tip, they become transformed into a vacuolar canal con- taining numerous corpuscles which take up the silver (Fig, 132). Silver methods gave us similar results in other fungi (Endo- myces Magnusii, yeasts) whose vacuoles are not filamentous but begin as small spherical elements filled with metachromatin. The silver methods make these elements appear as small vacuoles, each containing one silver-staining body, whereas in the larger vacuoles, arising from the coalescence of the s

. Electronic apparatus for biological research . Vc grid n->-A)Cga Figure 9.15 Rl r, fl^/-'''*^- ââ1^2 9'"'^ ^2 -L Cs*Cg^*(uA)C, â go ir^ Figure 9.16 HT+ HT* ^ n^C, <R S^2 HT- Figure 9.17 Thevenin's theorem to the part to the left, we get Figure 9.16. Clearly sinceâ as we have seenâR^ and R^, have to be made much larger than Rj^ the source resistance is higher than in the other systems and the upper cut-off frequency will be correspondingly low. The solution is to connect a compensating capacitance Cq across R^ as in Figure 9.17. Lumping V^ input capacitances together as Cm, the equ Stock Photo

RMMA7BH7–. Electronic apparatus for biological research . Vc grid n->-A)Cga Figure 9.15 Rl r, fl^/-'''*^- ââ1^2 9'"'^ ^2 -L Cs*Cg^*(uA)C, â go ir^ Figure 9.16 HT+ HT* ^ n^C, <R S^2 HT- Figure 9.17 Thevenin's theorem to the part to the left, we get Figure 9.16. Clearly sinceâ as we have seenâR^ and R^, have to be made much larger than Rj^ the source resistance is higher than in the other systems and the upper cut-off frequency will be correspondingly low. The solution is to connect a compensating capacitance Cq across R^ as in Figure 9.17. Lumping V^ input capacitances together as Cm, the equ

Dental review; devoted to the advancement of dentistry. . r theproportion received by the patient. DEMONSTRATION. We have an apparatus familiar to every student of elementaryphysics, only in this case the balls are made of hardened steel. Theyare, in fact, antifriction balls, such as are used in turntables, etc. ORIGINAL COMMUNICA TIONS 323 The same as in bicycles, except these are larger. Steel is usedbecause it combines the highest co-efficient with the least ampli-tude. A scale is added at each end for convenience in measuringthe reaction. For the first experiment we lift one ball to the fu Stock Photo

RM2AM3518–Dental review; devoted to the advancement of dentistry. . r theproportion received by the patient. DEMONSTRATION. We have an apparatus familiar to every student of elementaryphysics, only in this case the balls are made of hardened steel. Theyare, in fact, antifriction balls, such as are used in turntables, etc. ORIGINAL COMMUNICA TIONS 323 The same as in bicycles, except these are larger. Steel is usedbecause it combines the highest co-efficient with the least ampli-tude. A scale is added at each end for convenience in measuringthe reaction. For the first experiment we lift one ball to the fu

. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies. Dairy products. Fig. 2.3.—M'Creath Acidimeter. soda solution, and use a special apparatus (Fig. 26); they express the acidity as degrees ; 1 Soxhlet-Henkel degree = the number of c.c. of j- alkali used per 100 c.c. of milk ; it is to be regretted that this " degree " has been introduced, as it is 2-5 times larger than the ordinary degree, and has caused confusion. Instead of using phenol-phthalein, delicate neutral litmus paper may be employed ; milk is practically neutral to this. The ac Stock Photo

RMPFK5XG–. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies. Dairy products. Fig. 2.3.—M'Creath Acidimeter. soda solution, and use a special apparatus (Fig. 26); they express the acidity as degrees ; 1 Soxhlet-Henkel degree = the number of c.c. of j- alkali used per 100 c.c. of milk ; it is to be regretted that this " degree " has been introduced, as it is 2-5 times larger than the ordinary degree, and has caused confusion. Instead of using phenol-phthalein, delicate neutral litmus paper may be employed ; milk is practically neutral to this. The ac

. Machinery and processes of the industrial arts, and apparatus of the exact sciences. a succession oflittle conical shaped receivers with-in the condenser, which form a rowof collars round the cylindrical inner wall, so arranged as to fill Carrfe,8 Ammoniacai FYeez[ng Apparatus forsuccessively with the condensed families liquid, and thus to present a larger evaporating surface when the refrig-erating process begins. The boiler and the refrigerator are connected by a tube which receivesthe liberated gas at the top of a cylindrical dome surmounting the boiler.This appendage is designed to allow Stock Photo

RM2AGDYAM–. Machinery and processes of the industrial arts, and apparatus of the exact sciences. a succession oflittle conical shaped receivers with-in the condenser, which form a rowof collars round the cylindrical inner wall, so arranged as to fill Carrfe,8 Ammoniacai FYeez[ng Apparatus forsuccessively with the condensed families liquid, and thus to present a larger evaporating surface when the refrig-erating process begins. The boiler and the refrigerator are connected by a tube which receivesthe liberated gas at the top of a cylindrical dome surmounting the boiler.This appendage is designed to allow

. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. 128 MAMMARY APPARATUS OF THE MAMMALIA separate from the larger ones jo and a, and gradu- ally shift ventrallj. But whereas p and a at once develop into typical knob-shaped primordia, 77 and a behave quite differently. These, in fact, become elongated epithelial cylinders growing into the cutis, and gradually assume the form of well-marked hair primordia, con- nected with special nerves and bloodvessels. ai. Fig. 45d.—Nipple Development of "Sciueus vul- garis." Embryo No. Stock Photo

RMPG43A8–. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. 128 MAMMARY APPARATUS OF THE MAMMALIA separate from the larger ones jo and a, and gradu- ally shift ventrallj. But whereas p and a at once develop into typical knob-shaped primordia, 77 and a behave quite differently. These, in fact, become elongated epithelial cylinders growing into the cutis, and gradually assume the form of well-marked hair primordia, con- nected with special nerves and bloodvessels. ai. Fig. 45d.—Nipple Development of "Sciueus vul- garis." Embryo No.

Catalogue of Sharp & Smith : importers, manufacturers, wholesale and retail dealers in surgical instruments, deformity apparatus, artificial limbs, artificial eyes, elastic stockings, trusses, crutches, supporters, galvanic and faradic batteries, etc., surgeons' appliances of every description . ^ 2383 2387 Fig. 2387. Uvula Retractor. The body of the instrument is a slender tube, about sixinches long. Its larger extremity is trumpet shaped, and is covered with thin sheet rubber; itssmaller extremity is so made, that the uvula may be drawn into it. Instruments designated by a * are illustrated. Stock Photo

RM2AJ9HAX–Catalogue of Sharp & Smith : importers, manufacturers, wholesale and retail dealers in surgical instruments, deformity apparatus, artificial limbs, artificial eyes, elastic stockings, trusses, crutches, supporters, galvanic and faradic batteries, etc., surgeons' appliances of every description . ^ 2383 2387 Fig. 2387. Uvula Retractor. The body of the instrument is a slender tube, about sixinches long. Its larger extremity is trumpet shaped, and is covered with thin sheet rubber; itssmaller extremity is so made, that the uvula may be drawn into it. Instruments designated by a * are illustrated.

. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. INCTJBATORIAL AREA IN ECHIDNA 31 Stage 53, these formations, as originally de- scribed by Gegenbaur, have grown much larger than the sweat glands (Fig. 13b, dr). I was able to examine the incubatorium of Stage 53 in toto, and in Fig. 14, it will be seen that the primary-primordia, now distinguishable. Fig. 13b.—EcnmNA: Transverse Section through THE Incubatorial Area OF Semon's Embryo, Stage 53. Dr, Gland area ; sdr, sweat gland ; hm, skin-muscle. as the definitive gland areas, hav Stock Photo

RMPG43E0–. The mammary apparatus of the mammalia : in the light of ontogenesis and phylogenesis . Mammals; Mammary glands. INCTJBATORIAL AREA IN ECHIDNA 31 Stage 53, these formations, as originally de- scribed by Gegenbaur, have grown much larger than the sweat glands (Fig. 13b, dr). I was able to examine the incubatorium of Stage 53 in toto, and in Fig. 14, it will be seen that the primary-primordia, now distinguishable. Fig. 13b.—EcnmNA: Transverse Section through THE Incubatorial Area OF Semon's Embryo, Stage 53. Dr, Gland area ; sdr, sweat gland ; hm, skin-muscle. as the definitive gland areas, hav

RM2AJ9GTT–Catalogue of Sharp & Smith : importers, manufacturers, wholesale and retail dealers in surgical instruments, deformity apparatus, artificial limbs, artificial eyes, elastic stockings, trusses, crutches, supporters, galvanic and faradic batteries, etc., surgeons' appliances of every description . ^ 2383 2387 Fig. 2387. Uvula Retractor. The body of the instrument is a slender tube, about sixinches long. Its larger extremity is trumpet shaped, and is covered with thin sheet rubber; itssmaller extremity is so made, that the uvula may be drawn into it. Instruments designated by a * are illustrated.

. Langstroth on the hive and honey-bee. Bees. GENBRAli CHARACTERISTICS. 27 through the mouth and the oesophagus, is conveyed mto the honey-saek. 63. This organ, located in the abdomen, is not larger than a veiy small pea, and so perfectly transparent as to appear, when filled, of the same color as its contents; it is properly. Fig. 15. DIGESTING APPARATUS. (Magnified. After BarbS.) a, tongue; T^, oesophagus ; c, honey-saclt: d, stomacli; tubes ; f, small intestine ; g, large intestine, e , malpigbian. Please note that these images are extracted from scanned page images that may have been digit Stock Photo

RMPG2H2X–. Langstroth on the hive and honey-bee. Bees. GENBRAli CHARACTERISTICS. 27 through the mouth and the oesophagus, is conveyed mto the honey-saek. 63. This organ, located in the abdomen, is not larger than a veiy small pea, and so perfectly transparent as to appear, when filled, of the same color as its contents; it is properly. Fig. 15. DIGESTING APPARATUS. (Magnified. After BarbS.) a, tongue; T^, oesophagus ; c, honey-saclt: d, stomacli; tubes ; f, small intestine ; g, large intestine, e , malpigbian. Please note that these images are extracted from scanned page images that may have been digit

Catalog of stereopticons, motion picture machines, projection apparatus : manufactured and imported by the McIntosh Stereopticon Company . n 40 ft. from!he .?creen. For use in connection with it, we recommend the halfsize or 2% diameter objective lens, rather than the yx sizewhich is l^/i^ diameter. With the 500-watt lamp, which can be fitted to most ofour lanterns, but which is much larger than the 250-wattlamp, a 10 ft. picture can be projected up to a distance of 50ft. from the screen. For use at a reasonable distance from the screen, theselamps are very desirable as they require no attenti Stock Photo

RM2AWE52J–Catalog of stereopticons, motion picture machines, projection apparatus : manufactured and imported by the McIntosh Stereopticon Company . n 40 ft. from!he .?creen. For use in connection with it, we recommend the halfsize or 2% diameter objective lens, rather than the yx sizewhich is l^/i^ diameter. With the 500-watt lamp, which can be fitted to most ofour lanterns, but which is much larger than the 250-wattlamp, a 10 ft. picture can be projected up to a distance of 50ft. from the screen. For use at a reasonable distance from the screen, theselamps are very desirable as they require no attenti

. Dairy farming : being the theory, practice, and methods of dairying. Dairy farms; Dairy plants; Milk plants. 514 DAIRY FARMING. hard. The curd is collected into cloths and hung uj) for the whey to drain off. Afterwards it is j)ut between two boards or hurdles and wei<jhted to effect this purpose still more completely. The curd is now rolled in a cylindrical form and wrapped in paper; larger quantities are, however, much better made with the apparatus sliown in Fig. 330.. fc L- Fig. 330. While the little- wooden piston paper rolls are arranged in the little tin cylinders, the curd is fdled Stock Photo

RMPFJ62X–. Dairy farming : being the theory, practice, and methods of dairying. Dairy farms; Dairy plants; Milk plants. 514 DAIRY FARMING. hard. The curd is collected into cloths and hung uj) for the whey to drain off. Afterwards it is j)ut between two boards or hurdles and wei<jhted to effect this purpose still more completely. The curd is now rolled in a cylindrical form and wrapped in paper; larger quantities are, however, much better made with the apparatus sliown in Fig. 330.. fc L- Fig. 330. While the little- wooden piston paper rolls are arranged in the little tin cylinders, the curd is fdled

Pacific service magazine . t he not only made gas there for domestic purposes but he had bladdersfilled with it to carry at night, with whichand his little steam carriage running on theroad he used to astonish the people there.Shortly after that Murdock moved to Bir-mingham where at the Soho foundry heconstructed an apparatus which enabledhim to exhibit his plan on a larger scalethan any previously attempted. The wholepopulation of Birmingham poured out togaze at this extraordinary spectacle. Thatwas in 1802. But the way was hard. Notonly had Murdock to overcome many diffi-culties before he co Stock Photo

RM2AN601F–Pacific service magazine . t he not only made gas there for domestic purposes but he had bladdersfilled with it to carry at night, with whichand his little steam carriage running on theroad he used to astonish the people there.Shortly after that Murdock moved to Bir-mingham where at the Soho foundry heconstructed an apparatus which enabledhim to exhibit his plan on a larger scalethan any previously attempted. The wholepopulation of Birmingham poured out togaze at this extraordinary spectacle. Thatwas in 1802. But the way was hard. Notonly had Murdock to overcome many diffi-culties before he co

. Foundations of botany. Botany; Botany. ROOTS 61 Chip away part of the shell from the larger end of the egg, place it in a â wide-mouthed bottle or a small beaker full of water, as shown in Fig. 24, then very cautiously pierce a hole through the upper end of the eggshell by pushing a knitting-needle or wire down through the glass tube. Watch the apparatus for some hours and note any change in the contents of the tube.^ Explain. The rise of liquid in the tube is evidently due to water making its way through the thin membrane which lines the eggshell, although this membrane contains no pores vi Stock Photo

RMPG4ABT–. Foundations of botany. Botany; Botany. ROOTS 61 Chip away part of the shell from the larger end of the egg, place it in a â wide-mouthed bottle or a small beaker full of water, as shown in Fig. 24, then very cautiously pierce a hole through the upper end of the eggshell by pushing a knitting-needle or wire down through the glass tube. Watch the apparatus for some hours and note any change in the contents of the tube.^ Explain. The rise of liquid in the tube is evidently due to water making its way through the thin membrane which lines the eggshell, although this membrane contains no pores vi

New Physiognomy : or signs of character, as manifested through temperament and external forms, and especially in the 'the human face divine.' . HUMAN BODY. I.—The Mechanical System. The mechanical or motive system consists of three sets oforgans, forming, in combination, an apparatus o^ levers througlawhich locomotion and all the larger movements of the bodjare effected. They are 1. The Bones; 2. The Ligaments; and 3. The Muscles. 1. The Bones.—YhQbones form the frame-work of the humanbody, determine its ge-neral form and sustainand give solidity toevery part. They are(including the teeth)two Stock Photo

RM2AN13E7–New Physiognomy : or signs of character, as manifested through temperament and external forms, and especially in the 'the human face divine.' . HUMAN BODY. I.—The Mechanical System. The mechanical or motive system consists of three sets oforgans, forming, in combination, an apparatus o^ levers througlawhich locomotion and all the larger movements of the bodjare effected. They are 1. The Bones; 2. The Ligaments; and 3. The Muscles. 1. The Bones.—YhQbones form the frame-work of the humanbody, determine its ge-neral form and sustainand give solidity toevery part. They are(including the teeth)two

. Essentials of botany. Botany; Botany. 46 ESSENTIALS OF BOTANY' Chip away part of the shell from the larger end of the egg, place it in a â wide-mouthed bottle or a small beaker full of water, as shown in Fig. 21, then very cautiously pierce a hole through the upper end of the eggshell by pushing a knitting-needle or wire down through the glass tube. Watch the apparatus for some hours and note any change in the contents of the tube. Explain. f The rise of liquid in the tube is evidently due to water making its way through the thin mem- brane which lines the eggshell, although this mem- bran Stock Photo

RMPG42FK–. Essentials of botany. Botany; Botany. 46 ESSENTIALS OF BOTANY' Chip away part of the shell from the larger end of the egg, place it in a â wide-mouthed bottle or a small beaker full of water, as shown in Fig. 21, then very cautiously pierce a hole through the upper end of the eggshell by pushing a knitting-needle or wire down through the glass tube. Watch the apparatus for some hours and note any change in the contents of the tube. Explain. f The rise of liquid in the tube is evidently due to water making its way through the thin mem- brane which lines the eggshell, although this mem- bran

$Carpenter's principles of human physiology . r (d). In-tervening here and there amongst the ciliatedcolumnar cells are E. Schulzes cup, goblet,or chalice cells (b, Fig. 161). These arefilled with the mucous mass through whichnumerous highly-refractile granules are dis-tributed. Imbedded in the outer fibrouslayer of the larger bronchi are numerousmucous glands, the ducts of which run in-wards, are lined with columnar epithelium, and open by trumpet-shaped* For an account of the principal forms of Respiratory apparatus among the lower Animals,see Princ. of Comp. Phys., chap, vi.; also the Memoir Stock Photo$

RM2AN5X3P–Carpenter's principles of human physiology . r (d). In-tervening here and there amongst the ciliatedcolumnar cells are E. Schulzes cup, goblet,or chalice cells (b, Fig. 161). These arefilled with the mucous mass through whichnumerous highly-refractile granules are dis-tributed. Imbedded in the outer fibrouslayer of the larger bronchi are numerousmucous glands, the ducts of which run in-wards, are lined with columnar epithelium, and open by trumpet-shaped* For an account of the principal forms of Respiratory apparatus among the lower Animals,see Princ. of Comp. Phys., chap, vi.; also the Memoir

The manufacture of rubber goods : a practical handbook for the use of manufacturers, chemists, and others . ng-knife is fixed. When the insertion has been braided on to the hose?•he mandrel passes through a larger solutioning apparatus, filled MANUFACTURE OF SOFT-RUBBER ARTICLES. 127 with thicker solution, which is spread all round the insertion. Inorder to dry this off rapidly, by evaporating the benzine, a cast-ironheating jacket of about 100 mm. diameter is used, which can beprovided with suitable nozzles at each end. The drying-jacket isheated to about 45° C. and the hose is driven through Stock Photo

RM2AJFRNF–The manufacture of rubber goods : a practical handbook for the use of manufacturers, chemists, and others . ng-knife is fixed. When the insertion has been braided on to the hose?•he mandrel passes through a larger solutioning apparatus, filled MANUFACTURE OF SOFT-RUBBER ARTICLES. 127 with thicker solution, which is spread all round the insertion. Inorder to dry this off rapidly, by evaporating the benzine, a cast-ironheating jacket of about 100 mm. diameter is used, which can beprovided with suitable nozzles at each end. The drying-jacket isheated to about 45° C. and the hose is driven through

Architect and engineer . erely commercialbuilding as planned heretofore, although,no doubt, the tendency now is towards amuch larger enclosure of dark space thanwas formerly the custom. In this particularinstance it must be remembered that doctorsrequire many small units in their workingquarters and a quite complicated assemblyof apparatus and equipment room verymuch varied to suit the type and specialtyof each tenant, whether diagnostician, sur-geon, eye and ear specialist, general prac-titioner, dentist, neurologist and so on. Theplanning of these subdivisions was done inmost cases to suit i Stock Photo

RM2AXJEB3–Architect and engineer . erely commercialbuilding as planned heretofore, although,no doubt, the tendency now is towards amuch larger enclosure of dark space thanwas formerly the custom. In this particularinstance it must be remembered that doctorsrequire many small units in their workingquarters and a quite complicated assemblyof apparatus and equipment room verymuch varied to suit the type and specialtyof each tenant, whether diagnostician, sur-geon, eye and ear specialist, general prac-titioner, dentist, neurologist and so on. Theplanning of these subdivisions was done inmost cases to suit i

. Electrical world. vided for the escape of gases. The use of oil is recommended,especially in the larger sizes, but the companys guarantee requiresthat the oil used in the transformers shall be furnished by the com-pany itself. All transformers are tested before shipment under abreak-down voltage of 10.000 volts between primary and secondarywindings and between the windings and the core. With the multi-coilcore type construction and the low densities secured, together withthe special steel employed, ageing is regarded as impossible, whenthe apparatus is operated in accordance with its design Stock Photo

RM2AFYE65–. Electrical world. vided for the escape of gases. The use of oil is recommended,especially in the larger sizes, but the companys guarantee requiresthat the oil used in the transformers shall be furnished by the com-pany itself. All transformers are tested before shipment under abreak-down voltage of 10.000 volts between primary and secondarywindings and between the windings and the core. With the multi-coilcore type construction and the low densities secured, together withthe special steel employed, ageing is regarded as impossible, whenthe apparatus is operated in accordance with its design

Laboratories, their planning and fittings . devoted to ten rooms about 14 ft. by 8 ft.,two of which are for the assistant and for instruments, and the others for indi-vidual experimental work, for which there are in addition two smaller rooms.One of these smaller rooms, which is windowless, has double walls and isused for acoustics. The larger central room, further illustrated in Fig. 146,is a small lecture room and contains cupboards for physical apparatus. The second floor, Fig. 147, is devoted to rooms for research by the staff.The four on the centre of the frontage provide for acoustic wor Stock Photo

RM2AN6GAR–Laboratories, their planning and fittings . devoted to ten rooms about 14 ft. by 8 ft.,two of which are for the assistant and for instruments, and the others for indi-vidual experimental work, for which there are in addition two smaller rooms.One of these smaller rooms, which is windowless, has double walls and isused for acoustics. The larger central room, further illustrated in Fig. 146,is a small lecture room and contains cupboards for physical apparatus. The second floor, Fig. 147, is devoted to rooms for research by the staff.The four on the centre of the frontage provide for acoustic wor

RM2AJBJB5–Catalogue of Sharp & Smith : importers, manufacturers, wholesale and retail dealers in surgical instruments, deformity apparatus, artificial limbs, artificial eyes, elastic stockings, trusses, crutches, supporters, galvanic and faradic batteries, etc., surgeons' appliances of every description . 2095. 2ogi 2096-A The most popular of all the Trumpets are the London Hearing Horns(Fig. 2096 A), which are constructed on new and scientific principles, andalthough they are equally as strong as many of the larger instruments, theyanswer for those who are moderately deaf, and as they can easily be car

The Dental cosmos . hen the boiler is to be lifted. Whennot in use it is readily removed. The thermometers used are carefully and reliably made for this specialpurpose. The metallic frame is screwed upon an iron cup-shaped seat, containingmercury, forming a mercury bath. The whole apparatus is carefully made of the best materials, and we believeit to be the most convenient and the most durable vulcanizer on the market. We have adopted for the Kerosene outfit of the Mann Vulcanizer the 4 inch Burner Kerosene Stove, which has a larger wick and will thus givemore heat than the heater formerly sol Stock Photo

RM2AN45D7–The Dental cosmos . hen the boiler is to be lifted. Whennot in use it is readily removed. The thermometers used are carefully and reliably made for this specialpurpose. The metallic frame is screwed upon an iron cup-shaped seat, containingmercury, forming a mercury bath. The whole apparatus is carefully made of the best materials, and we believeit to be the most convenient and the most durable vulcanizer on the market. We have adopted for the Kerosene outfit of the Mann Vulcanizer the 4 inch Burner Kerosene Stove, which has a larger wick and will thus givemore heat than the heater formerly sol

A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . and that which is to be dis-charged at J J into the shoot k. At L the larger and denser portion of the mineral which has fallen through the ascend-ing current of water, is conveyed either to a jigging machine or some other enriching appa-ratus. Mr. Borlase first erected this apparatus in the United States of America, where itwas found to answer remarkably well, and he was induced by this success to attempt its gen-eral introduction in this country. In this endea Stock Photo

RM2AM8EG3–A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . and that which is to be dis-charged at J J into the shoot k. At L the larger and denser portion of the mineral which has fallen through the ascend-ing current of water, is conveyed either to a jigging machine or some other enriching appa-ratus. Mr. Borlase first erected this apparatus in the United States of America, where itwas found to answer remarkably well, and he was induced by this success to attempt its gen-eral introduction in this country. In this endea

. Machinery and processes of the industrial arts, and apparatus of the exact sciences. hich this isaccomplished is a second and small hydraulic press on the top of themovable cylinder of the larger one, to which it is firmly secured. Thissmall press has a plunger which passes through a packing box intothe large cylinder, and rests on the piston in that cylinder. When thepress is at its lowest point, it is evident that both the piston of the large-cylinder and the plunger of the small one will occupy the most advancedpositions possible in their respective cylinders. Let now water be driveninto Stock Photo

RM2AGE9MN–. Machinery and processes of the industrial arts, and apparatus of the exact sciences. hich this isaccomplished is a second and small hydraulic press on the top of themovable cylinder of the larger one, to which it is firmly secured. Thissmall press has a plunger which passes through a packing box intothe large cylinder, and rests on the piston in that cylinder. When thepress is at its lowest point, it is evident that both the piston of the large-cylinder and the plunger of the small one will occupy the most advancedpositions possible in their respective cylinders. Let now water be driveninto

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad . in the first place it is very top-heavy, and in the second thedisk produced, I found on inquiry, was no larger than a five-francpiece. Above all things I wished to avoid the necessity of usinga heliostat. I was therefore constrained to contrive an apparatus to meetthese requirements, which I have no doubt are those of a greatmany histologists. The image produced by an ordinary condenserof short focus is so small, that unless a heliostat be used, it is almosti Stock Photo

RM2AM295M–Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad . in the first place it is very top-heavy, and in the second thedisk produced, I found on inquiry, was no larger than a five-francpiece. Above all things I wished to avoid the necessity of usinga heliostat. I was therefore constrained to contrive an apparatus to meetthese requirements, which I have no doubt are those of a greatmany histologists. The image produced by an ordinary condenserof short focus is so small, that unless a heliostat be used, it is almosti

Investigation of the design of apparatus for the measurement of automatic sprinkler distribution . Fie;. FlET. I CHAPTER n. Owing to the fact that the instrument asfirst designed would measure depths of water inthe pans up to only 5-1/2, it was necessary todesign some means of measuring larger quantities.Movable tlock SE, Fig. t,3xlx5 long werefastened to each of the four pieces of the basein such a way that, when not in use, they couldbe moved in so that they v;ould be inside the pan.When it was necessary to use them, they could bemoved out to the edge of the base so that the in-strument woul Stock Photo

RM2AJDJEX–Investigation of the design of apparatus for the measurement of automatic sprinkler distribution . Fie;. FlET. I CHAPTER n. Owing to the fact that the instrument asfirst designed would measure depths of water inthe pans up to only 5-1/2, it was necessary todesign some means of measuring larger quantities.Movable tlock SE, Fig. t,3xlx5 long werefastened to each of the four pieces of the basein such a way that, when not in use, they couldbe moved in so that they v;ould be inside the pan.When it was necessary to use them, they could bemoved out to the edge of the base so that the in-strument woul

A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . e Legion of Honor and a gold medal was alsoawarded to him at the Taris Exhibition in 1855. This apparatus, to be presently described,elfects, witliout any manual labor, the following operations:— 1st. The sorting of the coal by throwing out tlie larger pieces. 2d. Breaking the coal, which is in pieces too large to be subjected to the operation ofwashing. 3d. Continuous and perfect purification of the coal. 4th. Loading the purified coal into wagons. 5th. Loading Stock Photo

RM2AM69MM–A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . e Legion of Honor and a gold medal was alsoawarded to him at the Taris Exhibition in 1855. This apparatus, to be presently described,elfects, witliout any manual labor, the following operations:— 1st. The sorting of the coal by throwing out tlie larger pieces. 2d. Breaking the coal, which is in pieces too large to be subjected to the operation ofwashing. 3d. Continuous and perfect purification of the coal. 4th. Loading the purified coal into wagons. 5th. Loading

An American text-book of physiology . h is submerged in the water contained in the larger case,this in turn being placed within a large box, between which and the calorime-ter some non-conducting material such as feathers or wool is packed. Suit-able openings are made for the proper supply of fresh air and for the agitationof the water in the calorimeter so that an equalization of the temperature ofthe instrument can be obtained. This apparatus has certain serious defects,however, which render it troublesome for expeditious and accurate work. Animproved form devised by the author ^ which is no Stock Photo

RM2AJEBAT–An American text-book of physiology . h is submerged in the water contained in the larger case,this in turn being placed within a large box, between which and the calorime-ter some non-conducting material such as feathers or wool is packed. Suit-able openings are made for the proper supply of fresh air and for the agitationof the water in the calorimeter so that an equalization of the temperature ofthe instrument can be obtained. This apparatus has certain serious defects,however, which render it troublesome for expeditious and accurate work. Animproved form devised by the author ^ which is no

The Annals and magazine of natural history; zoology, botany, and geology . ion,was essential to carrying out the investigation, I directed my atten-tion to the preparation of pure distilled water. Having always foundlife in distilled water prepared by the ordinary methods by keepingit a few days, after many trials I employed the following apparatus,which gave very satisfactory results, as it enabled me to obtain waterwhich remained free from life for several months. It consists of two flasks, A and B (A rather larger than B), fittedwith perforated caoutchouc stoppers*. These flasks are connect Stock Photo

RM2AN53F1–The Annals and magazine of natural history; zoology, botany, and geology . ion,was essential to carrying out the investigation, I directed my atten-tion to the preparation of pure distilled water. Having always foundlife in distilled water prepared by the ordinary methods by keepingit a few days, after many trials I employed the following apparatus,which gave very satisfactory results, as it enabled me to obtain waterwhich remained free from life for several months. It consists of two flasks, A and B (A rather larger than B), fittedwith perforated caoutchouc stoppers*. These flasks are connect

Automatic siphonic apparatus as used in sewerage systems and in sewage purification plants . mewhat larger than that of the feed, in or^er to insure that therewill be siAfficient air forced into the feed to choke it. As in the case of the alternating siphons some provisionmust be made for cutting out one of the beds. The piping con-taining the valves shown in Plate XlVa providee for this. Promthe explanation given on page 23 it is easy to trace the courseof the air going from one feed to the other when all are inoperation. The valves at A, B, C end D are of the three waypattern and when all th Stock Photo

RM2AM3W6E–Automatic siphonic apparatus as used in sewerage systems and in sewage purification plants . mewhat larger than that of the feed, in or^er to insure that therewill be siAfficient air forced into the feed to choke it. As in the case of the alternating siphons some provisionmust be made for cutting out one of the beds. The piping con-taining the valves shown in Plate XlVa providee for this. Promthe explanation given on page 23 it is easy to trace the courseof the air going from one feed to the other when all are inoperation. The valves at A, B, C end D are of the three waypattern and when all th

RM2AKXRTN–The hygiene of transmissible diseases; their causation, modes of dissemination, and methods of prevention . Fig. 41.—Apparatus for generating formaldehyde from tablets of polymerizedformaldehyde : i, small form ; 2, for larger quantities ; A in each figure indicatesthe cup in which the tablets are placed. when the latter are freely exposed to its action ; that it quickly. Fk;. 42.—Modified Novy-Waite formaldehyde generator: A, retort for con-taining formalin; B, lamp for supplying heat; C, tube for conducting gas fromretort into room to be disinfected. destroys not only the Icss-rcsistant, non

A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . IRON. 625 332. is required in the construction either of the whole apparatus or in parts of it. Themanipulation varies in many re-spects. One worlcman, by inclininghis tuyere to the bottom, saves coalat the expense of obtaining a pooryield. Another, by carrying his tueiron more horizontally at tlie com-mencement, obtains a larger amountof iron, thongli at the sacrifice ofcoal. Good workmen pay great at-tention to the tuyere, and alter itsdip according to the sta Stock Photo

RM2AN1FXX–A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . IRON. 625 332. is required in the construction either of the whole apparatus or in parts of it. Themanipulation varies in many re-spects. One worlcman, by inclininghis tuyere to the bottom, saves coalat the expense of obtaining a pooryield. Another, by carrying his tueiron more horizontally at tlie com-mencement, obtains a larger amountof iron, thongli at the sacrifice ofcoal. Good workmen pay great at-tention to the tuyere, and alter itsdip according to the sta

San Francisco water . to deliver thewater that is all-important in the work offighting fires. It is not enough that Spring Valley mustfurnish forty million gallons of water everyday for ordinary uses, sufficient to floodUnion Square to a depth of fifty feet. TheCompany must also stand ready to supplywater to all the fire apparatus that can beconcentrated at a fire. This use may be ashigh as one million gallons per hour, allsupplied to as small a space as a city block. The use of such quantities in small areasmakes much larger distributing mains neces-sary than would be required for domesticcon Stock Photo

RM2AJ4XJT–San Francisco water . to deliver thewater that is all-important in the work offighting fires. It is not enough that Spring Valley mustfurnish forty million gallons of water everyday for ordinary uses, sufficient to floodUnion Square to a depth of fifty feet. TheCompany must also stand ready to supplywater to all the fire apparatus that can beconcentrated at a fire. This use may be ashigh as one million gallons per hour, allsupplied to as small a space as a city block. The use of such quantities in small areasmakes much larger distributing mains neces-sary than would be required for domesticcon

Electrical news and engineering . boardwas designed with these facts in mind and the photos anddrawings tell the story. Previously the feeder oil breakerswere mounted on sixteen inch panels and the entire boardwas placed about 8 feet from the wall. Now all the feedershave twenty-four inch spacings and it is possible to use break-ers of considerably larger capacity than was possible withthe sixteen inch sjiacing. Auxiliary Bus is Very Useful . auxiliary bus was installed in connection with the(feeder system. This provides a numiber of possibilities thatmake it a very handy piece of apparatus, h Stock Photo

RM2AN1346–Electrical news and engineering . boardwas designed with these facts in mind and the photos anddrawings tell the story. Previously the feeder oil breakerswere mounted on sixteen inch panels and the entire boardwas placed about 8 feet from the wall. Now all the feedershave twenty-four inch spacings and it is possible to use break-ers of considerably larger capacity than was possible withthe sixteen inch sjiacing. Auxiliary Bus is Very Useful . auxiliary bus was installed in connection with the(feeder system. This provides a numiber of possibilities thatmake it a very handy piece of apparatus, h

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