Feb 22, 2017
Cossor Wurncell W.1 output triode valve, 1923
Object Name: thermionic valve
Maker: A C Cossor Limited
Science Museum
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seen from United States
Cossor Wurncell W.1 output triode valve, 1923
Object Name: thermionic valve
Maker: A C Cossor Limited
Science Museum
Nelson Multi A type valve, B4/N base, made by the Nelson Valve Company Limited, British, 1920-1930.
(via Nelson multi A valve (McVitie Weston valve collection), 1920-1930 | Science Museum Group Collection)
John Ambrose Fleming – Scientist of the Day
John Ambrose Fleming, a British electrical engineer, died Apr. 18, 1945, at the grand old age of 95.
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