Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 260
between the STANDARD MARINE SETS OF AMERICAN MARCONI CO. 249 open and closed oscillalion circuits are determined by a small glow lamp shunted by a semi-loop of wire. It is to be observed also that the coupling between the primary and secondarywindings is changed by moving the primary at right… … Fig. 266b—The Marconi A K. W. Cargo Type Transmitting Set Complete. Tne motor has a differential field winding for maintaining a constant speed under variableload and it is designed for connection to a 110 volt direct current circuit. _ The motor starter is one of the Industrial Controller Companys…
Telegraph, Wireless
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