Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 195
i84 AIR POWER APPLIANCES. 685-686. … PNEUMATIC MOTOR DRILLSTOCK, operated by four pis-tons in two cylinders, double-acting. The piston rods havea jointed connection to camcranks on the pinion shafts.The piston valves are oper-ated by levers pivoted to op-posite piston rods, as shown inthe horizontal section, No. 686.The pistons act…
Mechanical movements
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