Vol. 5, No. 3

Volume 5, Number 3

Volume 5, Number 3

On the Cover

In this issue
  • More on the “Dark” Heater
  • The Tubes in ENIAC
  • The Watson Collection
  • Some “Amateur” Tubes in Canada
  • “Rocket” and Other Early Planar Tubes
  • Current Glass Receiving-Tube Manufactures
  • “Instructions on Vacuum Tubes” US Navy
  • Glass-Failure “Suck-Ins”
  • RCA Salesman’s Report
  • “BVA” Wartime Valves

Leave a Reply

Your email address will not be published.

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