Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 265
lOI I, INTERMITTENT MOTION of a ratchet by the oscillation of a knuckled joint tappet arm. The spring keeps the tappet extended on the for- 2P^ ward stroke, and allows it to run over the tooth of the ratchet on its return. 1012. INTERMITTENT CIRCULAR MO- 7 f ^ A 7 TION of a ratchet wheel with a… … proportions.
Mechanical movements
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