Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 75
apparatus wecan test it without great difficulty. Let us take a glass flask, such as shown in Fig. 71, fittedwith a stop-cock. Attach it to one side of the balance andcarefully weigh. Then attach a bicyclepump and force air into it and weigh again.Finally, by means of an air-pump, exhaustthe air… … Fig. 71.—Globe forweighing air. Exact experiments have shown that themass of 1 litre of air at OC. and undernormal pressure of the air at sea-level (760 mm. of mercury)is 1.293 grams. 75. Pressure of Air. It is evident that since air hasweight it must, like liquids, exert pressure upon all…
Physics
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
