Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 287
Fig. 14L 268 THE ELECTRIC LIGHT. to be screwed into its support. Figure 142 shows the Swanship lamp. Figure 143 shows a form of bracket lamp, andfigure 144 a table lamp. Figure 145 shows an arrangement of the Swan ship lampadjusted to oil fixtures, and figure 146 an ornamental specimen-electrolier.… … Fig. 142. Fig. 143. Fig. 144. in the Savoy Theatre, London, which is illuminated by them(the current being supplied by a dynamo), the lamps have lasted8,000 hours. This is due, in a great measure, to the homo-geneity and density of the carbon filament, and the perfect uni-formity in its size and…
Electrical engineering
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