Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 123
ed in a Micartainsulating tube, but the sec-ondary turns are split intogroups, each consisting ofseveral small pancakes of finewire connected in series. Thesecondary turns are coveredby an insulating tube whichis thoroughly clamped inplace. A safety spark gapmounted on the top of thetransformer… … APPLIANCES FOR A RADIO TRANSMITTER. 113 SECONDRRr TCKMIN/M-S. TC.R.M(NALS. SeCOWDARYWINOINSS
Telegraph, Wireless
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