Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 77
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…
Physics
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