Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 277
Figure 291. — TheSimple Barometer. 266 MECHANICS OF FLUIDS … Figure 292.—The WEIGHT of the Air Makes it Possible to Fly. Example : What is the pressure in pounds per square inch, when thebarometer reads 28 in. ? r, hxD 144 2812 ft. D = 62.5 X 13.6 = 850 lb. per cubic foot. 11 X 850 28 X 850 .. P = 144 12 X 144 = 13.77 lb. per square inch. 315. The Commercial…
Physics
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