Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 236
884. RACK MOTION used for air pumps.The racks are directly connected with the pis-tons of a single-acting air or other pump, andoperated by a brake lever. 885. AIR-PUMP MOVEMENT.—Two racksconnected directly with the pistons, with guides,are operated by a pinion and lever. 230 GEARING.
Mechanical movements
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