Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 46
o of the primary and secondary turns, e. g., E-s T-s E-p t-pwhere T-p ^ the current in the primary;where T-s = the current in the secondary;E-p and E-s = the voltage in the primary and secondary circuits respectively. Fig. 38 shows the open core, step-up voltage, constant current transformer… … i; \ \ I \I I insulating cloth followed by one or twolayers of coarse copper wire. An insu-lating tube (not shown) is placed overthe primary. It is made of some mate-rial which will withstand the heat andpossess the requisite insulating qualities.Over this tube is placed a secondarywinding which…
Telegraph, Wireless
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