Vol. 5, No. 5

Volume 5, Number 5

Volume 5, Number 5

On the Cover

In this issue
  • TCA Board Meeting, Aug. 19
  • TCA Member Meeting, Aug. 19
  • The Western Electric 221-A
  • RCA’s TT-5 Transmitter and 8D21 Tube
  • 50 Years of Tube Repairing in Buenos Aires
  • British Valve Nomenclature: Cossor
  • New “DOD” Discoveries
  • Sylvania and the “Dark” Heater
  • “Special Red” Tubes: One User’s View

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