Summary
Triode, manufactured by Nelson, England. It has a planar structure.
Physical Description
Conical bulb with top exhaust tip and 4 pin European style base with apparent provision for switching in a spare filament
More Information
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Collecting Areas
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Manufacturer
Nelson, Merton Park, London, England, Great Britain, circa 1925
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Inscriptions
On bulb: " NELSON / MULTI / MERTON PARK / S.W.19. "
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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
115 mm (Height), 45 mm (Outside Diameter)
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Keywords