Electric transmission of power : its present position and advantages (1879)
Higgs, Paget · London ; New York : Spon · leaf 28
ged on both sides of thearmature. The pieces N N, or S S, may be connected attheir outer edges, thus forming one piece, and enclosingthe armature still more. In the other dynamo-electricmachines no magnetic field is maintained when the ex- THE BRUSH MACHINK. 17 temal circuit is opened, except that… … TiniHift ^(nTrpiT- iIIhIiI iiiUpiii, JUUIlll^l lUIIiUlll.
Electric power production
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