Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 87
270. JOYS HYDRAULIC SHIFTINGECCENTRIC—The centre block is keyed tothe shaft; pistons on each side of the blockwork in cylinders in the eccentric. Oil is pump-ed to one or the other piston through holes inthe crank shaft and piston, for reversal of theengine.
Mechanical movements
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