Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 233
one of tliem is not doing its work properly, it isimmediately disconnected from the main circuit by letting gothe huge switch by which it is connected with the main con-ductors. The switch is provided with a strong spring that opens 214 THE ELECTRIC LIGHT. it instantly as soon as it is released.… … Fig. 117. these lamps to brilliant incandescence, it is in usable condition,and if any trouble exists it must be looked for elsewhere. On one of the upper floors of this building is a room for \^^ EDISON S INCANDESCENT SYSTEM. 215 aken fci each ofeaeli, and con- testing and for taking a record of…
Electrical engineering
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