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 441
^^^Wji ^ i31 MULE, SELF-ACTING. … MULE, SELF-ACTING. 435 by the side of the ratchet-wheel, there is a cam-plate t, that also turns freely on the shaft, and which iscarried in one direction by the ratchet-wheel, when the catch or hand v, which is jointed to the cam-plate, takes into the teeth of the ratchet, the two turning…
Mechanical engineering · Mechanics · Engineering
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