Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 101
the same solid casting two cylindricalcavities which overlap each other. In the centre of each cylinder is asolid cylindrical core. Between each of these cores and the surface ofthe corresponding cylinder is a piston of peculiar shape, being part of asolid ring, filling up the intermediate space as… … Fisr. U. The maimer of attachment is shown in the perspective view of one ofFig. io. the pistons with its axis in Fig. 10. The axes are connected externallyto the cylinders by equal gear-wheels, so that they move simul-taneously and with equal veloci-ties. The two centres of motion,0 and C, are…
Machinery · Scientific apparatus and instruments
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