Summary
A medium mu general purpose triode intended for use in AC powered radios. Manufactured by: M.O. Valve Company, England.
It has a 4 volt indirectly heated cathode.
Physical Description
Conical glass bulb on American style 5 pin base.
More Information
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Collection Names
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Collecting Areas
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Manufacturer
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Inscriptions
Bulb: MARCONI VALVE/PX/MHL4/MADE IN ENGLAND/PATENTED Base: M O V Co Ltd
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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
120 mm (Length), 50 mm (Outside Diameter)
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Keywords