Hallberg, Josef Henrik, 1874- · New York city, The Moving picture world · leaf 35
ical and flexible in-stallation, the 3-wire system is installed, which enablesthe electric company to transmit the power for motorsand lighting on the same wires at half the expense forcopper, and, at the same time, to give you no as well as220-volt current. Fig. 4 illustrates in simplified form… … ^ *r INCANDESCENTLAMPS ■* ■K- r^110V- {J ) MOTOR 220 V.MOTOR
Motion picture theaters · Electric lighting
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