1942 factory promo for RCA vacuum tubes. Shows how they made the metal-can octal base tubes.
Showing posts with label Electrons. Show all posts
Showing posts with label Electrons. Show all posts
Friday, October 26, 2012
Electrons on Parade pt 1 - RCA
Electrons on Parade pt 1 - RCA Video Clips. Duration : 9.52 Mins.
1942 factory promo for RCA vacuum tubes. Shows how they made the metal-can octal base tubes.
1942 factory promo for RCA vacuum tubes. Shows how they made the metal-can octal base tubes.
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