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 105
^ 0.30™ though they may come into contact. Each pair of pistons has itsindependent shaft, and externally to the cylinder each of these shaftscarries an elliptical gear-wheel, which works into an equal and similarwheel upon a shaft parallel to the piston shaft. This second shaft, which Fig. 17. … Fist. IS.
Machinery · Scientific apparatus and instruments
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