Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 93
he top holder, and its pointbrought in line with the lower carbon by moving the lever onthe back of the carrier. The wires being connected to the binding post (one on eachside of the lamp), the thumb nut G, being turned, will allowthe weight of the positive carrier to rotate the train of… … Fig.-i MAXIMS AUTOMATIC LAMPS. 79
Electrical engineering
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