Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 317
the three elementary moving partsof which the engine is composed are, a pair of quarter-spheres A and B. with a circular diskPoi infinitesimal thickness interposed between them, the diameter of the disk being the sameas that of the sphere of which they are sectors. The straight edges of the sectors… … Fig. 5
Mechanical engineering
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