Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 646
Fig, 414. available; this basement (figs. 416, 417 and 418) is divided bya wall into two parts, the smaller of which contains two watertube boilers, d c?, of Buttners type, one only being required forregular work, the second forming a standby. The steam sup-plies two vertical compound Gwynne… … Fig, 415. arranged between them, with a friction coupling at each extrem-ity, by means of which either one or the other, or both, enginesmay be used to drive the shafting. To the latter are keyed fivecarefully balanced driving pulleys, i t, running at 180 revolu-tions per minute, and these carry…
Electrical engineering
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