Summary
Triode designed for use as an output valve in radios. 4.0 volt directly heated cathode. Used as a class A power amplifier.
Physical Description
Sectioned conical glass bulb with American style 4 pin (UX) base mounted on display block.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Purchase
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Manufacturer
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Inscriptions
Paper label on bulb: New/Process/Cossor/410 P/BVA Display block: Description and brief electrical characteristics.
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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
95 mm (Length), 40 mm (Outside Diameter)
Dimensions not including display blck
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Keywords