Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 441
f V-1. II.-L- 431 MULE, SELF-ACTING. … MULE, SELF-ACTING. 435 by the side of the ratchet-wheel, thi te r, that ah ly on the .-haft, arul which is carried in one direction by the ratchet-wheel, when the catch or hand v, which is jo plate, takes into the teeth of the ratchet, the two turning ently of each other in the n ion, or in the…
Mechanical engineering
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