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446B-SC278A RCA LIGHTHOUSE VALVE, 1942

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446B-SC278A RCA LIGHTHOUSE VALVE, 1942

RCA 446-B microwave Triode used by the US Navy and known as a Lighthouse valve.

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  • These were used in diathermy machines after WW2
    .......... Matthew Cass, Perth Australia, 25th of July 2015

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