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 235
system by an automatic regulator enables the lamps to be extinguished by short-circuiting. 21ie Edison Di/namo.—The early form of the Edison dynamo consisted of a drum-armaturebuilt up of laminated iron, and revolving in a field consisting of one or more long cylindricalelectro-magnets, according… … Vf^^^X\^^:^ Fia. 51.—Edison tlynamo. Tlio armatures of these machines are 27-:5 in. in diameter, and 61 in. long. The shaft isof steel, 7J in. in diameter, and of a total length of 10 ft. 3 in. Provision is made for an air-blast to keep the arnuiture cool.Tiie armature is driven direct bya…
Mechanical engineering
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