Vol. 2, No. 6

April 18, 2023March 19, 2024By 25
Volume 2, Number 6
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Volume 2, Number 6

On the Cover

The 15D prototype UHF triode.

In this issue
  • Readers Report
  • Early Raytheon QK-Types
  • The Sparton VG-1 “Viso-Glo” Tuning Indicator
  • Heartbreak on the test Floor
  • The Saga (orElegy) of the SD-1065
  • Sockettes
  • Construction Trends in Radio Tubes

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