Summary
X201A triode made by Bond Electric Corporation, in the United States. It is a general purpose valve. It has a 5.0 volt directly heated cathode. It is identical to valve type UX201A..
The 201A, 01A and valves with the same charactertistics were produced ibn huge numbers in the U.S.A. in the 1920s. At least 700 brands have beeen recorded.
Physical Description
Conical glass bulb with four pin UX style base.
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, 1981
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Manufacturer
Bond Electric Corporation, Jersey City, New Jersey, United States of America, circa 1926
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Inscriptions
Charred sticker #1 on bulb: BOND Charred sticker #2 on bulb: U.S.A. Base:X-201-A Paper label on base: X-201-A
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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
114 mm (Length), 46 mm (Outside Diameter)
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Keywords