Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 559
534 MOTOKS, ELECTRIC. … Fifi. 3.—Hub raortiserand borir. the same function The cross movement of the bed is controlled by a friction clutch havingsteps to ffiuige the length of the mortise. The chisel mandrel is driven by a friction gearingwith a quick return ; and there are suitable stops for gauging the travel of tlie…
Mechanical engineering
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