1968 HOW VACUUM TUBES are Made: English Electric Valve Co EEV Television Radio Radar CRT Cameras
33:34
The Mullard story
18:41
" UNDERSTANDING ELECTRONICS: VACUUM TUBES " 1970 EDUCATIONAL FILM DIODES & TRIODES XD72594
11:47
Gravitational Wave Memory Discovery May be The Next Breakthrough in Physics
33:19
Naturally... in colour, a look inside a color picture tube factory.
25:47
Secret Life Of Machines - The Radio (Full Length)
23:08
Tesla Tube Factory Visit—Czech Republic 1998
17:12
Hand Made Vacuum Tubes by Claude Paillard
12:23