Early Television
 
Early Television
Early Television Early Television
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Postwar American Television

12AP4

Early Television

This tube, made in 1939, was used in all of the American 12 inch mirror in lid sets before the war

Manufacturing the 12AP4
Specification Sheet
Rebuilding the tube
12 inch WW2 radar tube
Substitute for the 12AP4

Early Television

Early Television

1945 Union Carbide Advertisement