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 48
he inner screw i of an inch? Am. 345576 lbs. 105. What power will give a pressure of 00000 lbs. by meansof a differential screw in which the power lever is GO inches,the pitch of the outer screw -J^,, and that of the inner screwfs of an inch? Ans. 2-G52 lbs. THE EXDLESS SCREW.131. The Endless… … 46 THE ENDLESS SCREW. [Aets. 132,133. 132. Ill Fig. 15 eacli revolution of the liandle makesthe wheel revolve only through the space of one cog ;hence if the whole has 24 cogs, the winch must revolve24 times in order to make the wheel revolve once. Itfollov^s tJiaf ill the endless or perpetual…
Physics
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