Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 238
WATTMETER GENERATORRHE05TAT AERIAL TUNING- INDUCTANCE -WAVE LENGTHCHANGING SWITCH QUENCHED r— 4-— GAP OVERLOAD MOTORGENERATOR s RELAY ooa: z y-in —> < ROTARYJ GAP Fig. 247—Front View Marconi 2 K. W. 500 Cycle Transmitting Set. STANDARD MARINE SETS OF AMERICAN MARCONI CO. 227 .SLIDING CONTACT… … WAVE LENGTHSECONDARY SWITCH MOTORSTARTERRESISTANCE STEP UP TRANSFORMERFig. 248—Side View Marconi 2 K. W. 500 Cycle Transmitting Set. 228 PRACTICAL WIRELESS TELEGRAPHY. The circuit from the alternator to ■ the transformer includes a direct reading wattmeterfor indicating the power consumed by the…
Telegraph, Wireless
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