Record revealed
Japanese Instrument of Surrender, 1945
Piece
Catalogue reference: AVIA 23/693
This record is about the Mullard voltage stabilising tubes: tests dating from 1938 in the series War Office and successors: Signals Experimental Establishment, later Signals Research.... It is held at The National Archives, Kew.
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Mullard voltage stabilising tubes: tests
AVIA 23
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Records created or inherited by the Ministry of Aviation and successors, the Air...
War Office and successors: Signals Experimental Establishment, later Signals Research...
Mullard voltage stabilising tubes: tests
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Record revealed
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