Category: Volume 5

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Volume 5, Number 6

Vol. 5, No. 6

On the Cover A Marconi-Osram T.30 transmitting Triode, next to an unidentified but Admiralty-looking triode of WW1 vintage In this issue

Volume 5, Number 3

Vol. 5, No. 3

On the Cover Five 320A triodes, each rated at 150 KW dissipation, under test, probably at the Bell Labs radio site at Whippany, NJ. In this issue