Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 141
izingbus is entirely disconnected. When synchronizingbright, the eye becomes mor;e or less fatigued by con-stantly watching the lamp and the point of full bright- Operation of Alternators 139 ness may be misjudged. On the other hand an incan-descent lamp requires considerable voltage before… … 02 Figure 91 chronizers have been devised and are now generallyused, which will not only accurately indicate the ex-act point of synchrony but will also show which ma-chine is running too fast or too slow. The Lincoln synchroscope is a device designed forthis purpose. The principle of its operation…
Electrical engineering · Electric testing
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