[South Florida DX Association] Electrons on Parade - How Vacuum Tubes are Made ala 1942 !!

Peter Rimmel - Marine Chemist n8pr1 at bellsouth.net
Tue Apr 21 15:40:52 EDT 2009

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This was sent to me by John  W4JAM   --  Pretty cool videos


Two RCA videos from 1942 on Youtube describing how vacuum tubes are made.

Part One:  http://www.youtube.com/watch?v=QCksgN7kiv4 

Part Two:  http://www.youtube.com/watch?v=J61hHMjxzC4

Enjoy,

Pete N8PR

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