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Valve Adverts, Boxes and Brands
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STC
Valve List
CRT Type 4096A Advert.
•Wireless World,
•May 18, 1939.
Standard equivalents of American Valves Advert.
•Wireless World,
•August, 1948.
G55/1K Advert.
•Wireless World,
•February, 1957.
807 equivalents - 5B/254M, 5B/255M, 5B/257/M & 5B/258M Advert.
•Wireless World,
•October, 1961.
4B/603E & 5C/603E Advert.
•Wireless World,
•January, 1962.
W9/2E & W10/3E Advert.
•Wireless World,
•January, 1962.
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