Notes and exercises in natural philosophy : including statics, hydrostatics, pneumatics, dynamics and hydrodynamics : designed for the use of normal and grammar schools, and the higher classes in common schools (1860)
Sangster, John Herbert, 1831-1904 · Montreal : J. Lovell · leaf 110
the mean temperature of thetwo stations as 72-50o, what isthe elevation of the balloon? Jiis. 12 708 feet. 233. The common pitmj) consistsof a barrel SB, a tube -^^S, whichdescends into the water reservoir, apiston cd, moving air-tight in thebarrel and two valves, v and x, wliicliact in the same… … * Use Leslies rule. t Use Halleys rule with correction for temperature; i. e., the second ofthe rules giveu. 108 PNEUMATICS. CAET3.234, 235. pressure ou the water in the reservoir forces it up the tube and throughthe valve x into the lower part of the barrel. As the piston descends thevalve .T…
Physics
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