Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 124
APPLIANCES FOR A RADIO TRANSMITTER. 113 SECONDRRr TCKMIN/M-S. TC.R.M(NALS. SeCOWDARYWINOINSS … CORE Fig. 132 shows the construction of the closed core transformers. The coreis rectangular and made up of thin sheets of iron which are insulated from oneanother. The primary and secondary windings are mounted one over the otheron the middle leg. The entire transformer is immersed in a…
Telegraph, Wireless
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