Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 520
are in contact), and, when theshunt is closed, and the lamp circuit open, it is obvious that theentire current must pass through the resistance, but as it has but THE WESTON AKC LAMP. 499 few convolutions to traverse, and tliese at a distance from thecore of the magnet, not enongh magnetism is… … Fig. 304. as the armature is lifted, the shunt is broken, and the entire cur-rcDt passes through the lamp. This form of cut-out has beenfound very efficient under ordinary circumstances, but where a 500 THE ELECTRIC LIGHT. very large nuniber of lamps are used in tlie same circuit, anotherform of…
Electrical engineering
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