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Inventions Gallery

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 7 pictures in our Inventions collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Thermionic valve 1920 - Featured Inventions Print

Thermionic valve 1920 -

Thermionic valve, 1920 - drawing of the valve, resulting from Sir Ambrose Flemings invention of 1904, that revolutionised wireless telephony. Fleming: 29 November 1849 - 18 April 1945

© Lebrecht Music & Arts Photo Library 2008 - All Rights Reserved

Drawing, Early 20th Century, Physicist, Radio, Science, Scientist, Social History, Technology, Thermionic, Twenties, Valve