Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 72
a main line circuit breaker through the medium of an overload relayswitch The starter has three resistance units connected m series with the motorarmature instead of the single resistance unit described m the two previous types.It will be observed from the drawing that the field wmding of the motor… … Fig:. 75—Ettglisli Marconi Companys one-half Kilowatt Vertical Type Converter witli Syn- claronous Disc Discliarger on Sliaft. 62 PRACTICAL WIRELESS TELEGRAPHY. 3 l^)i-°^v\ CD
Telegraph, Wireless
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