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MINITURE VALVE TYPE CV480 TETRODE, 1940's

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MINITURE VALVE TYPE CV480 TETRODE, 1940's

Pre Transistor Valves got smaller in an attempt to miniaturize equipment, particularly military items. This was just one unit made by STC at Harlow either before or during WW2. A Tetrode marked CV480-789

NORTELL COLLECTION

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A1423



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