Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 294
ording to the requirements of the outsidecircuit There is no wear and tear on these machines except atthe two bearings and on the comm^utator brushes, which aremounted on a movable shaft and allow of easy adjustments.The machine is so simple, that it can be easily handled by anyengineer without… … Fig. 149. The lamp is shown in two different forms in Figs. 149 and150. The lamp in Fig. 149 consists of a cylinder of glass witha bulb blown in the centre. Into the bulb the carbon is intro-duced, and the connection established by means of fine platinumwires sealed into the ends of the lamps after…
Electrical engineering
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