Summary
Triode used as a detector and amplifier in radios and manufactured by Edison Swan Electric Company, England.
4 volt directly heated cathode. It is a forerunner of the ARO6. it was introduced in 1922.
Physical Description
Four pin European style base.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Mr Finlayson (Fin) Stewart, 14 Jun 1973
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Manufacturer
Edison Swan Electric Company, England, Great Britain, 1920-1924
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Inscriptions
Bulb: Royal Ediswan/Made in England/A.R.
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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
107 mm (Length), 31 mm (Outside Diameter)
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References
[Book] Tyne, Gerald F. 1987. Saga of the Vacuum Tube., 1987, 373 Pages
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Keywords