Inside Out Library
Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 581
m the boiler. It is furnished with two valves ; one of them c, is the throttlevalve; the other d, is the cut-off valve; the latter is worked by a cam fixed on the crank-shaft, whicliworks the lever e, the fulcrum of which is fixed on the timbers of the crank-shaft bearings; this leverworking the… … ^N U@H>©1|Mechanical engineering · Mechanics · Engineering
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