Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 344
t over 3 lb., will oftentimes easily sus-tain overloads of 100% for considerable periods of time,whereas if the machine is not in good condition it will sparkbadly with slight overloads. 322 EXPERIMENTAL ELECTRICITY Recent Developments in Converters. — Several new devel-opments in converters have… … Fig. 406. — Booster Converter (Westinghouse). rotaries, except that its shaft is vertical instead of horizon-tal, supported upon a special form of roller bearing. Themain advantage claimed for this machine is that it has lessweight, that it occupies less space, and that the brushescan be got at…
Electricity · Electrical engineering
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