The Maxim Electric Light and Power Co., Philadelphia. (1882)
United States Electric Lighting Company · United States Electric Lighting Company · leaf 14
rcuit machines is a device for preventing shocksand sparks while establishing or breaking connection between the machine and thefield conductors. This device consists of a coil of high resistance in the field circuit,in combination with a switch, which, when closed, cuts out the resistance coil.… … Regulator. 12 THE UNITED STATES ELECTRIC LIGHTING CO. a &
Electricity · Lighting · Power supply
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
