Vol. 18, No. 5


Volume 18 - No. 5

On the Cover

In this issue
  • Arcturus – The Star That Burned Out A history of the Arcturus Radio Tube Company famous for their “blue” tubes.
  • Oldie Press release: The Triad T-10S Triad Manufacturing Company produces a high power varient of the 210.
  • Fending Off Sylvania on the 6J4 RCA lobies the military to use their 6J4 and not the more expensive Sylvania 7245.
  • GE/RCA and Early Pentodes The GE/RCA attempt to produce their first pentode tube.
  • So You Want A New Transceiver? N2TKX attempts to translate equipment makers claims.
  • Fixing the 5R4 RCA modifies their 5R4 rectifier to handle electrolysis problems.
  • Two Who Made It Possible! The Cornell-Dubilier Capacitor of December 1955.
  • A new Tube in Germany From Radio Engineering, October, 1930 a gridless tube that uses its metalic coating for control.
  • Wierd Tube of the Month: Big Lee’s Transistor Lee De Forest patents a transistor.

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