Vol. 19, No. 5

Volume 19 - No. 5

On the Cover

In this issue
  • Testing High Voltage Tubes on a TV-7 and Its Relatives Issues with low test results due to improper filament voltage.
  • Sylvania – The Perfect Host! Sylvania Lodge from Radio Industries, Oct. 1930.
  • Safegarding Tube Life and Reliability Engineering Department, Amperex Electronics Corp. Service, July 1958.
  • Wierd Tube of the Month: The Circuitron Tubes and associated circuitry placed inside the envelope to be resistant to ionizing radiation.
  • Transatlantic Solid State QSO Service Dealer and Electronic Servicing, November, 1956.
  • Why Grids Are Shaped the Way They Are Effects of varing the interelectrod espacing.
  • Technical Evolution of American Broadcast Transmitters Edmund Lapodt Archive, RCA Corporation, ca 1920-1950.
  • Whose Face Is Red? Problems with different results from different tube testers.
  • Index to RCA Application Notes A listing from 1930 to 1980.
  • RCA App. Note 107, Miniature-Tube Hearing Aid Amplifier RCA Manufacturing Company.
  • Sylvania Government Tubes Sylvania offers surplus tubes to the public.

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.