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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 (1861)

Sangster, John Herbert, 1831-1904 · Montreal : J. 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, 1861, leaf 110
ountainstands at a height of 30 inches, atthe top of the mountain it stands ata height of only 18 inches, requiredthe height of the mountain. Ans. 13000 feet. 287. ♦While the mercury at the base of a mountain stands at the heightof 29-5 inches, at the summit ofthe mountain the barometer indi-cates… … * Use Leslies rule. t Use Halleys rule with correction for temperature; i. e„ the second ofhe rules given. 108 PNEUMATICS. [ABTS. 236, 238, the pressure is 29*94 inches—taking the mean temperature ofthe two stations as 72-500, what is the elevation of the balloon ? Jlns. 12703 feet. 236. The common…

Physics

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