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 758
bout three minutes, not occupying more timethan a change of liorses. (2) The electric motors emi^loyed were of the Reckenzaun model. They weighed 430 lbs.,and were capable of delivering from four to nine horse-power. At 120 volts their efficiencywas 75 per cent., and at the nominal speed of 7 miles…
Mechanical engineering
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