Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 249
GENERATORRHEOSTAT ^LOW POWERSWITCHAERIALAMMETER LIGHTNINSSWITCH COUPLINQADJUSTER QUENCHEDGAP ROTARVGAP Fig. 257—Front View of tlie Marconi J^ K. W. 500 Cycle Transmitter. 238 PRACTICAL WIRELESS TELEGRAPHY.16 INDOCTANCE … TUNING STEP UPTRAN5F0RKAER MOTORGENERATOR ROTARYGAP Fig. 258-Side View of the Marconi % K. W. 500 Cycle Transmitter. STANDARD MARINE SETS OF AMERICAN MARCONI CO. 239 is in the full running position. Thisprevents the magnet windings over-heating as the potential differenceacross the motor armature…
Telegraph, Wireless
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