Category: Volume 18

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Volume 18 - No. 3

Vol. 18, No. 3

On the Cover An ad for the British “Catkin” receiving tube. The name is a diminutive form derived from CAT (“Copper Anode Triode”). In this issue Vacuum Tubes Used in the First Trans-Atlantic Flight High-Voltage Processing of Big PowerTubes The Eimac View: Conditioning of Large Radio-Frequency Power Tubes Internal Control Symbols for RCA Tubes RCA...

Volume 18 - No. 4

Vol. 18, No. 4

On the Cover Part of a collection of WWII tubes at the Evans Signal Laboratory, a unit of the Signal Corps Engineering Laboratory in New Jersey. In this issue