Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 118
Fig. 120—Showing the Effect of Turn-ing Secondary at Right Anglesto Primary. cycle sets and the 60 cycle sets of theMarconi Company is shown in Fig.119. The primary winding has eightturns of copper tubing approximately15 inches in diameter, spaced 1 inchapart, the tubing being about }i inchin…
Telegraph, Wireless
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