The Maxim Electric Light and Power Co., Philadelphia. (1882)
United States Electric Lighting Company · United States Electric Lighting Company · leaf 19
ned for use in lighting from cen-tral stations or in other places where the lampsare not located in the same building with themachine. It is placed in the circuit at the pointwhere the line wires enter the building, and, bysimply pressing a key shown in the centre of thecut, the lamps in the… … Indicator. lamps are again placed in circuit. whether the circuit in the building is on or off
Electricity · Lighting · Power supply
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