Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 379
cause theappearance of a steady light at the point, P. This lamp alsoadmits of many lights in the same circuit. Figure 209 represents another form of the same idea. Theupper carbon falls gradually upon the lower one, which is setinto vibration by means of the lever arm. A, which is set in 358 THE… … Fig. 209. is therefore produced at P. The fluctuations of this arc are sorapid that they are said to produce no apparent alternation inthe light. THE RAPIEFF ARC LAMP. The Kapieff lamp is represented in figure 210, the carbons ofwhich are, a a\ h b\ The voltaic arc is produced at C, betweenthe…
Electrical engineering
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