Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 341
ntil the heat has sufficiently dimin-ished to prevent any further softening of the glass. In measureas the wearing away progresses, the preceding effects are repro- 320 THE ELECTRIC LIGHT. duced; and, as these are produced in an imperceptible and con-tinuous manner, no jumping nor inconstancy in… … Fig. 179. (electro-magnetism), as happens in other regulators. It is certainthat this idea is new and original, and the results have been verysatisfactory. There is but one regulation to perform, and thatat the beginning, but this once done the apparatus operates withcertainty, and for a long time.…
Electrical engineering
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