Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 133
sponding ones Give a complete description of the air-pump. Barrels. Pist.ns Jiodx. 6* 130 POPULAR PHYSICS. on the inner sides of the piston rods, A and B. The machine is soarranged that one rod ascends whilst the other descends. The cyl-inders rest upon and are firmly attached to a platform, H.… … FiR. 88. This pipe branches near the cylinders, one branch leading to eachcylinder, as shown in Fig. 89. The pipe communicates with thecylinders by openings, which may be closed by conical valves, a andb. The valves a and b arc attached to rods which pass through thepistons and fitted to slide with…
Physics
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