Summary
General purpose triode with a filament designed to be operated from a pair of dry cells. The filament was rated at 2.5 to 3 volts with a current of 60 mA. Released in 1923.
Marketed as: "Ediswan low temperature valve"
Manufacturer: Edison Swan Electric Co., England
Physical Description
Tubular glass bulb with top exhaust tip with 4 pin American (UV) style base with brass base shell.
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
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Manufacturer
The Edison Swan Electric Co. Ltd., England, Great Britain, circa 1924
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Inscriptions
Bulb: 814/"EDISWAN" Base: AR.06/3VOLTS MAX/"EDISWAN'/DULL EMITTING
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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
105 mm (Length), 35 mm (Outside Diameter)
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