Vacuum Tubes in Telephone Work
Early Tube Development at GE
Origins of the Vacuum Tube Origins of the Vacuum Tube An October 1964 talk by G. F. J. Tyne featured in the 2005 Special Publication.
Master Tube Sales Plan – 1950
Tungar Bulb Data Manuel
AWA Tube Collector Fact Sheet: Volumes 1-6
McCandless and the Audion McCandless Audio CD Please enjoy the audio interview that was delivered with this magazine in 2003.
J.B. Johnson and the 224A CRT
A Tribute to George H. Clark George Clark Audio CD Please enjoy the audio interview that was delivered with this magazine in 2002.