Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 313
ck machined in itsinside circumference. On this track the armature frame may be rotated through an arc equalto the angle between the poles, by means of a hand wheel. Thus the spark may be made todischarge the condenser at any desired point of the sine wave. The dischargers are set msound muffling… … side: vicv^oscillatiom transformer Fig. 316—Side View of 300 Kilowatt Oscillation Transformer. of capacity sufficient to keep the air fresh and to draw out the air, which is admitted bythe high pressure blast used for quenching the spark. One of the precautions taken to provide an uninterrupted…
Telegraph, Wireless
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