Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 442
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… … by a 1 It will thci 436 MULE, SELF-ACTING. o r r -^
Mechanical engineering
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