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 244
wound onthe armature, and thatthe commutator mustcontain a very largenumber of sections. Thearmature of the machineillustrated is 25 in. in-ternal diameter, 8 in.long, and the totalweight of the machineis 1 ton 4 cwt. At 350revolutions per min. the output was found to be 16 kilo-watts, and at 480… … Fio. 68.—Siemens ring-dynamo.
Mechanical engineering
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