QST SEPTEMBER 1937 DEVOTED ENTIRELY TO AMATEUR RADIO VOL XXII NO. 2

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QST SEPTEMBER 1937 DEVOTED ENTIRELY TO AMATEUR RADIO VOL XXII NO. 2
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Description QST

Devoted Entirely to Amateur Radio

September 1937

Volume XXII No. 9

Published monthly by the American Radio Relay League, Inc., West Hartford, Conn.

Official Organ of the International Amateur Radio Union.

Cover Feature articles: Beam Power Tubes at Work, New Speech Equipment, Avoiding BCL Interference.