Vol. 17, No. 4

Volume 17, Number 4

Udo Radtke, “power-collector,” with his YK-1001 klystron (for UHF television, 10 kilowatts) in an elegantly welded-up display stand. For a fine cutaway image of this 180- pound tube, complete with its resonant cavities, see www.tubecollection.de/ura/YK-1001.htm. “He who dies with the biggest tube wins.” Photo: Udo Radtke.

In this issue
  • Production of Radio-Tubes in Austria in the 1920s
  • Acorn Valves
  • Jan Version of the 6CL6
  • Easy Open – Easy Out – GE Tube Carton
  • Tube Counterfeiting
  • Triad Metal Schielded Radio Tubes
  • Increasing Tube Reliability in Industry Circuits.
  • Weird Tube of the Month: Three Obscure Oldies
  • Comments on the Weddell/Brown Magnetron Article

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