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Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools (1867)

Sangster, John Herbert, 1831-1904 · Montreal : Printed and published by John Lovell · leaf 110

An illustration from Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools, 1867, leaf 110
he base of a mountainstands at a height of 30 inches, atthe top of the mountain it standsat a height of only 18 inches, re-quired the heightof the mountain?Jns. 13000 feet.*While the mercury at the base ofa mountain stands at the heightof 295 inches, at the summit ofthe mountain the barometer… … * Use Leslies rule. t Use Halleys rule with correction for temperature; i. e., the second oflie rules given. 108 PNEUMATICS [Arts. 233-238 the pressure is 29-94 inches— taking the mean temperature ofthe two stations at 72-50^, what is the elevation of the balloon? Jim. 12703 feet. 236. The common f…

Physics

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