Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 185
Fig. 200b—Elevation of Type I Aerial Changeover Switch. variation of the sliding contacts of the potentiometers P-1 and P-2. 155. Type I Aerial Changeover Switch.—A plan view and side elevation ofthis switch appear in Figs. 200-a and 200-b, respectively. Several steel discs, B,which make connection… … TO TRiNSMlTTtR w m \^ -^f BATTERY ANTENNA SWITCHTYPE N» I steel bar F closes the circuit to the primary winding of the power transformerthrough the contacts 11 and 12. In the opposite position the bar separates thespring contacts M, M^ 200-a, which disconnects the transmitting: oscillation…
Telegraph, Wireless
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
