Summary
Diode designed for signal detection at high frequencies, originally intended for video detection in television receivers but adopted for use as a detector in radar receivers during World War II (1939-1945).
4 volt indirectly heated cathode.
Manufacture: Edison-Swan Electric Co. Ltd., England.
Physical Description
Miniature tube; small cylindrical glass bulb with flat pinch at one end with 3 pins and pin at the other end.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Unknown Acquisition Method from Unknown Source, 19 Sep 1978
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Manufacturer
Edison Swan Electric Company, England, Great Britain, 1937-1947
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Inscriptions
EDISWAN/B.V.A./MADE IN ENGLAND/D.1.
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Brand Names
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
46 mm (Length), 11 mm (Outside Diameter)
Dimensions of valve, excluding display block.
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