Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 78
Sp Fig. 78. 239. Bramahs Press, Fig. 78,is a practical application of theseprinciples. It consists of a largecylinder, in which is a pistonmoving water tight. This pis-ton carries the weight to beraised, or the material to be com-pressed. A pipe connects thiswith a small cylinder, in which 68… … moves a piston operated by a lever. Water is supplied to thesmall cylinder from a reservoir, so that it can be forced from thesmall cylinder to the large, and the apparatus converted into anhydraulic press. The conditions of equilibrium are given by theformula of the last paragraph. 240. The collar…
Physics
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