Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 324
KEY TRtNSFORMtR Fig. 326—Showing How Defects in the Primary andSecondary Windings of the Transformer May be Located. LOCATION OF TROUBLES 313 … Fig. 327—Method for DeterminingLealcage in Aerial Insulators. (/) Quenched Spark Gap Troubles.—It is essential that the discharge gaps of a multiple-jiate quenched gap be air-tight. A leakage of air will be manifested by an irregular sparkdischarge, by a fluctuating wattmeter reading, or by la,ck…
Telegraph, Wireless
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