Summary
Triode designed for operation from a 2 volt accumulator or dry batteries. A triode with high plate resistance intended for use as a resistance-coupled audio amplifier or anode-bend detector. 2.0 volt directly heated cathode.
Physical Description
Conical glass bulb cut away to show the internal structure of a triode valve with a horizontal electrode structure. American style 4 pin (UX) base. Mounted on a 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
Bulb: MADE IN ENG (illegible)/D.E.H./210 On pinch: H2 Display block: TRIODE (General Purpose) DEH 210/Osram. Made in England/(Brief description and data)
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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
90 mm (Length), 40 mm (Outside Diameter)
Not including display block.
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