Pascal, Blaise, 19.6.1623 - 19.8.1662, French mathematician, philosopher and physicist, finding of air pressure with barometer in Rouen 1647, after drawing by August Dressel, late 19th century, Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-pascal-blaise-1961623-1981662-french-mathematician-philosopher-and-19750451.html
RMB43KW7–Pascal, Blaise, 19.6.1623 - 19.8.1662, French mathematician, philosopher and physicist, finding of air pressure with barometer in Rouen 1647, after drawing by August Dressel, late 19th century,
Robert Boyle (1627-91) experiments on Spring of the Air. Apparatus similar to Guericke's water barometer. Found water could only be raised 33ft 6ins. Edition of Boyle's works published 1725. Engraving Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-robert-boyle-1627-91-experiments-on-spring-of-the-air-apparatus-similar-57309510.html
RMD96JT6–Robert Boyle (1627-91) experiments on Spring of the Air. Apparatus similar to Guericke's water barometer. Found water could only be raised 33ft 6ins. Edition of Boyle's works published 1725. Engraving
Robert Boyle (1627-91) experiments on Spring of the Air. Apparatus similar to Guericke's water barometer. Found water could only be raised 33ft 6ins. Edition of Boyle's works published 1725. Engraving Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/robert-boyle-1627-91-experiments-on-spring-of-the-air-apparatus-similar-to-guerickes-water-barometer-found-water-could-only-be-raised-33ft-6ins-edition-of-boyles-works-published-1725-engraving-image483534582.html
RM2K2JW86–Robert Boyle (1627-91) experiments on Spring of the Air. Apparatus similar to Guericke's water barometer. Found water could only be raised 33ft 6ins. Edition of Boyle's works published 1725. Engraving
Aneroid Barometer, 19th Century Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-aneroid-barometer-19th-century-135042666.html
RMHRKM8A–Aneroid Barometer, 19th Century
expedition, polar expedition, Fram expedition 1893 - 1896, Fredrik Hjalmar Johansen and Sigurd Scott-Hansen checking the barometer, from: Fridtjof Nansen, 'In Nacht und Eis', volume I, Leipzig, 1897, 19th century, expedition report, report, reports, travel, travels, research, discovery, discoveries, participant, participants, members, member, crew, crews, half length, sitting, sit, check, checking, testing, controlling, controling, checking out, monitor, monitoring, barometer, barometers, air pressure, atmospheric pressure, barometric pressure, m, Additional-Rights-Clearance-Info-Not-Available Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/expedition-polar-expedition-fram-expedition-1893-1896-fredrik-hjalmar-johansen-and-sigurd-scott-hansen-checking-the-barometer-from-fridtjof-nansen-in-nacht-und-eis-volume-i-leipzig-1897-19th-century-expedition-report-report-reports-travel-travels-research-discovery-discoveries-participant-participants-members-member-crew-crews-half-length-sitting-sit-check-checking-testing-controlling-controling-checking-out-monitor-monitoring-barometer-barometers-air-pressure-atmospheric-pressure-barometric-pressure-m-additional-rights-clearance-info-not-available-image241453957.html
RMT0R4YH–expedition, polar expedition, Fram expedition 1893 - 1896, Fredrik Hjalmar Johansen and Sigurd Scott-Hansen checking the barometer, from: Fridtjof Nansen, 'In Nacht und Eis', volume I, Leipzig, 1897, 19th century, expedition report, report, reports, travel, travels, research, discovery, discoveries, participant, participants, members, member, crew, crews, half length, sitting, sit, check, checking, testing, controlling, controling, checking out, monitor, monitoring, barometer, barometers, air pressure, atmospheric pressure, barometric pressure, m, Additional-Rights-Clearance-Info-Not-Available
Retro barometer close up photo in vintage style Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-retro-barometer-close-up-photo-in-vintage-style-122237014.html
RFH2TAFJ–Retro barometer close up photo in vintage style
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A barometer is a scientific instrument used for measuring the pressure of the air. It is also used to predict changes in the condition of weather, vin Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-barometer-is-a-scientific-instrument-used-for-measuring-the-pressure-of-the-air-it-is-also-used-to-predict-changes-in-the-condition-of-weather-vin-image359325059.html
RF2BTGJNR–A barometer is a scientific instrument used for measuring the pressure of the air. It is also used to predict changes in the condition of weather, vin
Florin Perier measuring the height Barometer (mercury tube) Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/florin-perier-measuring-the-height-barometer-mercury-tube-image368988936.html
RM2CC8W48–Florin Perier measuring the height Barometer (mercury tube)
Close-up view of the scale with pointer of an analogue barometer monochrome. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/close-up-view-of-the-scale-with-pointer-of-an-analogue-barometer-monochrome-image463443267.html
RM2HWYJH7–Close-up view of the scale with pointer of an analogue barometer monochrome.
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RF2BTGX47–A barometer is a scientific instrument used to measure air pressure, vintage line drawing or engraving illustration.
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RF2CGG98F–Air barometer icon. Outline air barometer vector icon for web design isolated on white background
19-th century illustration of a scene where two men monitoring Fortin barometer. Published in 'Novoveki Izumi u znanosti, obrtu i umjetnosti' by dr. B Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/19-th-century-illustration-of-a-scene-where-two-men-monitoring-fortin-barometer-published-in-novoveki-izumi-u-znanosti-obrtu-i-umjetnosti-by-dr-b-image220806139.html
RFPR6GDF–19-th century illustration of a scene where two men monitoring Fortin barometer. Published in 'Novoveki Izumi u znanosti, obrtu i umjetnosti' by dr. B
Evangelista Torricelli inventing the mercury barometer, 1643. Torricelli (1608-1647) demonstrated that liquid will rise in a tube unless the weight of the column of liquid is equal to the pressure of the air pressing on an equal section of the reservoir of liquid. The height of a column will depend on the density of the liquid used. Thus a column of water would be 9.75m (32 feet), while that of mercury which is approximately 13.5 times denser, would be .736m (29 ins). From 'The Atmosphere', by Camille Flammarion. (London 1873). Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-evangelista-torricelli-inventing-the-mercury-barometer-1643-torricelli-57312605.html
RMD96PPN–Evangelista Torricelli inventing the mercury barometer, 1643. Torricelli (1608-1647) demonstrated that liquid will rise in a tube unless the weight of the column of liquid is equal to the pressure of the air pressing on an equal section of the reservoir of liquid. The height of a column will depend on the density of the liquid used. Thus a column of water would be 9.75m (32 feet), while that of mercury which is approximately 13.5 times denser, would be .736m (29 ins). From 'The Atmosphere', by Camille Flammarion. (London 1873).
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RF2M5N6WH–Barometer icons set. Outline set of barometer vector icons for web design isolated on white background
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RMHRKM89–Barometric Observation, 19th Century
Scientific amusements . ober,1880. The uses of the barometer are various. It is employedto calculate the heights of mountains ; for if a barometerat sea level stand at 30° it will be lower on a mountaintop, because the amount of air at an elevation of tenthousand feet is less than at the level of the sea, andconsequently exercises less pressure, and the mercurydescends. [The pressure is on the bulb of mercury at thebottom, not on the top, remember.] The pressure of the air at the tops of mountains some-times decreases very much, and it is not sufficientlydense for perfect respiration, as many Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/scientific-amusements-ober1880-the-uses-of-the-barometer-are-various-it-is-employedto-calculate-the-heights-of-mountains-for-if-a-barometerat-sea-level-stand-at-30-it-will-be-lower-on-a-mountaintop-because-the-amount-of-air-at-an-elevation-of-tenthousand-feet-is-less-than-at-the-level-of-the-sea-andconsequently-exercises-less-pressure-and-the-mercurydescends-the-pressure-is-on-the-bulb-of-mercury-at-thebottom-not-on-the-top-remember-the-pressure-of-the-air-at-the-tops-of-mountains-some-times-decreases-very-much-and-it-is-not-sufficientlydense-for-perfect-respiration-as-many-image343251597.html
RM2AXCCWH–Scientific amusements . ober,1880. The uses of the barometer are various. It is employedto calculate the heights of mountains ; for if a barometerat sea level stand at 30° it will be lower on a mountaintop, because the amount of air at an elevation of tenthousand feet is less than at the level of the sea, andconsequently exercises less pressure, and the mercurydescends. [The pressure is on the bulb of mercury at thebottom, not on the top, remember.] The pressure of the air at the tops of mountains some-times decreases very much, and it is not sufficientlydense for perfect respiration, as many
RF2DWTR15–Barometer thin line icon. Isolated outline weather vector illustration
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Close up of an old antique barometer made out of an old horses stirrup indicating high pressure and fine weather. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/close-up-of-an-old-antique-barometer-made-out-of-an-old-horses-stirrup-indicating-high-pressure-and-fine-weather-image338945152.html
RF2AKC800–Close up of an old antique barometer made out of an old horses stirrup indicating high pressure and fine weather.
An experimental set-up in which, the normal pressure of the air on the contents of the bowl balances the weight of the mercury in the tube, vintage li Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/an-experimental-set-up-in-which-the-normal-pressure-of-the-air-on-the-contents-of-the-bowl-balances-the-weight-of-the-mercury-in-the-tube-vintage-li-image348664252.html
RF2B770PM–An experimental set-up in which, the normal pressure of the air on the contents of the bowl balances the weight of the mercury in the tube, vintage li
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RF2BTGN3D–A glass tube filled with mercury, with its lower end placed in a dish of the same fluidand the upper end furnished with a scale, to measure the height
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The outlines of physics: an elementary text-book . Fig. 127. Fro. 128. barometers) and to pressure gauges. The stiffness of themoving part is adapted in each case to the pressures whichit is intended to indicate. Figures 127 and 128 show the essential features of twowell-known forms. PROPEBTIES OF GASES 145 130. ExPEKiMENT 34. — Measurement of the Vacuum produced bya Mechanical Air Pump, and Determination of the Rate of Leakage ofthe Pump and Receiver. Apparatua: (1) An air pump with open neck receiver. (2) A wooden scale divided to centimeters; a watch or other time-piece. (3) A barometer. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-outlines-of-physics-an-elementary-text-book-fig-127-fro-128-barometers-and-to-pressure-gauges-the-stiffness-of-themoving-part-is-adapted-in-each-case-to-the-pressures-whichit-is-intended-to-indicate-figures-127-and-128-show-the-essential-features-of-twowell-known-forms-propebties-of-gases-145-130-expekiment-34-measurement-of-the-vacuum-produced-bya-mechanical-air-pump-and-determination-of-the-rate-of-leakage-ofthe-pump-and-receiver-apparatua-1-an-air-pump-with-open-neck-receiver-2-a-wooden-scale-divided-to-centimeters-a-watch-or-other-time-piece-3-a-barometer-image340216408.html
RM2ANE5E0–The outlines of physics: an elementary text-book . Fig. 127. Fro. 128. barometers) and to pressure gauges. The stiffness of themoving part is adapted in each case to the pressures whichit is intended to indicate. Figures 127 and 128 show the essential features of twowell-known forms. PROPEBTIES OF GASES 145 130. ExPEKiMENT 34. — Measurement of the Vacuum produced bya Mechanical Air Pump, and Determination of the Rate of Leakage ofthe Pump and Receiver. Apparatua: (1) An air pump with open neck receiver. (2) A wooden scale divided to centimeters; a watch or other time-piece. (3) A barometer.
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Close up of an old antique barometer made out of an old horses stirrup indicating high pressure and fine weather. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/close-up-of-an-old-antique-barometer-made-out-of-an-old-horses-stirrup-indicating-high-pressure-and-fine-weather-image338945366.html
RF2AKC87J–Close up of an old antique barometer made out of an old horses stirrup indicating high pressure and fine weather.
Climate barometer icon. Simple illustration of climate barometer vector icon for web design isolated on white background Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/climate-barometer-icon-simple-illustration-of-climate-barometer-vector-icon-for-web-design-isolated-on-white-background-image371610193.html
RF2CGG8GH–Climate barometer icon. Simple illustration of climate barometer vector icon for web design isolated on white background
The outlines of physics: an elementary text-book . Fig. 127. Fro. 128. barometers) and to pressure gauges. The stiffness of themoving part is adapted in each case to the pressures whichit is intended to indicate. Figures 127 and 128 show the essential features of twowell-known forms. PROPEBTIES OF GASES 145 130. ExPEKiMENT 34. — Measurement of the Vacuum produced bya Mechanical Air Pump, and Determination of the Rate of Leakage ofthe Pump and Receiver. Apparatua: (1) An air pump with open neck receiver. (2) A wooden scale divided to centimeters; a watch or other time-piece. (3) A barometer.. F Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-outlines-of-physics-an-elementary-text-book-fig-127-fro-128-barometers-and-to-pressure-gauges-the-stiffness-of-themoving-part-is-adapted-in-each-case-to-the-pressures-whichit-is-intended-to-indicate-figures-127-and-128-show-the-essential-features-of-twowell-known-forms-propebties-of-gases-145-130-expekiment-34-measurement-of-the-vacuum-produced-bya-mechanical-air-pump-and-determination-of-the-rate-of-leakage-ofthe-pump-and-receiver-apparatua-1-an-air-pump-with-open-neck-receiver-2-a-wooden-scale-divided-to-centimeters-a-watch-or-other-time-piece-3-a-barometer-f-image340216048.html
RM2ANE514–The outlines of physics: an elementary text-book . Fig. 127. Fro. 128. barometers) and to pressure gauges. The stiffness of themoving part is adapted in each case to the pressures whichit is intended to indicate. Figures 127 and 128 show the essential features of twowell-known forms. PROPEBTIES OF GASES 145 130. ExPEKiMENT 34. — Measurement of the Vacuum produced bya Mechanical Air Pump, and Determination of the Rate of Leakage ofthe Pump and Receiver. Apparatua: (1) An air pump with open neck receiver. (2) A wooden scale divided to centimeters; a watch or other time-piece. (3) A barometer.. F
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Compressed air; theory and computations . Art. 8a). Thisvalue of w would then go into Eq. (a) above. When working with an orifice set in a low-pressure drum, the MEASUREMENT OP AIR 37 product rpa can be most readily gotten by adding to pa thequantity 0.036i which is the pressure on a square inch due toa head i. Thus rpa = pa + 0.036z. If mercury be the liquid in the U-gage and barometer heightsbe inches of mercury, then Q = c X0.1U7djh where In, = barometer height + i (i being inches of mercury). It will often be convenient to compute the weight of air whenpressure is in inches of mercury.The Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/compressed-air-theory-and-computations-art-8a-thisvalue-of-w-would-then-go-into-eq-a-above-when-working-with-an-orifice-set-in-a-low-pressure-drum-the-measurement-op-air-37-product-rpa-can-be-most-readily-gotten-by-adding-to-pa-thequantity-0036i-which-is-the-pressure-on-a-square-inch-due-toa-head-i-thus-rpa-=-pa-0036z-if-mercury-be-the-liquid-in-the-u-gage-and-barometer-heightsbe-inches-of-mercury-then-q-=-c-x01u7djh-where-in-=-barometer-height-i-i-being-inches-of-mercury-it-will-often-be-convenient-to-compute-the-weight-of-air-whenpressure-is-in-inches-of-mercurythe-image339080220.html
RM2AKJC7T–Compressed air; theory and computations . Art. 8a). Thisvalue of w would then go into Eq. (a) above. When working with an orifice set in a low-pressure drum, the MEASUREMENT OP AIR 37 product rpa can be most readily gotten by adding to pa thequantity 0.036i which is the pressure on a square inch due toa head i. Thus rpa = pa + 0.036z. If mercury be the liquid in the U-gage and barometer heightsbe inches of mercury, then Q = c X0.1U7djh where In, = barometer height + i (i being inches of mercury). It will often be convenient to compute the weight of air whenpressure is in inches of mercury.The
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. The principles of physics. rm rate of one inch for every 900 feet ofascent. If a mercurial barometer stand at 760 mm. on the floor, thesame barometer on the top of a table 1 m. high should standat a hight of 759.91 mm., a change scarcely perceptible. Theaneroid is, however, sometimes made so sensitive that thechange of pressure experienced in this short distance is ren-dered quite perceptible. The shading in Fig. 132 is intended to indicate roughly thevariation in the density of the air at different elevations abovesea-level. The figures in the left margin show the hight inmiles; those in th Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-principles-of-physics-rm-rate-of-one-inch-for-every-900-feet-ofascent-if-a-mercurial-barometer-stand-at-760-mm-on-the-floor-thesame-barometer-on-the-top-of-a-table-1-m-high-should-standat-a-hight-of-75991-mm-a-change-scarcely-perceptible-theaneroid-is-however-sometimes-made-so-sensitive-that-thechange-of-pressure-experienced-in-this-short-distance-is-ren-dered-quite-perceptible-the-shading-in-fig-132-is-intended-to-indicate-roughly-thevariation-in-the-density-of-the-air-at-different-elevations-abovesea-level-the-figures-in-the-left-margin-show-the-hight-inmiles-those-in-th-image336753939.html
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