Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 64
mounted with anumber dial and all covered by a perforated plate, showing the topfigures of each dial. The spring pawl checks the first wheel in thetrain, to hold the number in place while the lever pawl takes its backmotion. 164. OPERATION OF A COUNTER. —The wheel B, with its ten pin teeth,…
Mechanical movements
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