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TETRODE VALVES USED IN SHELL FUZING WW2, 1940's

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TETRODE VALVES USED IN SHELL FUZING WW2, 1940's

Developed possibly by Western Electric or STC at Harlow for use in Proximity Shell Fuses (See Item A0478 and A0430). It is not known if they were ever used for this purpose, as many manufacturers were asked by the British Government during WW2 to come up with a solution to the problem, of shells that would explode in the proximity to Aircraft, the biggest problem being finding a valve that could be fired from a gun and survive, (pre guided missiles) The Example of a British proximity fuse that we have (possibly one of the only surviving examples) does not use this valve. This type may well have been used in the later American version (Item A0430) which used the new Technology, 'Radar' a Phrase coined by the US, (RAdio Direction And Ranging)

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A1425



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