Summary
Early triode receiving valve. An early German tube used in World War I. Filament voltage 4 volts. It was donated to the Museum in 1949.
Physical Description
Sectioned conical glass bulb with top exhaust tip and European style 4 pin base with plated metal shell mounted on display block.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from C. G. McGlinn, 19 Jan 1949
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Manufacturer
Unknown Source, Germany, circa 1918
Described on 'display block' as being of WWI vintage. -
Inscriptions
Display block: TRIODE/Early German 4 volt battery triode/used during 1914-18 war./Base:- 4-Pin/Pres. By C. G. McGlinn 23036.
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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), 38 mm (Outside Diameter)
Dimensions not including display blck
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Keywords
Military Communication, Thermionic Electron Valves, World War I, 1914-1918