Summary
Triode designed for use as a high frequency amplifier.
0.75 amp directly heated cathode.
The V24 was designed by Captain Henry Round in 1916 and was initially made by Ediswan. From 1919 it was made by the Marconi Osram Company hence this must be an early example.
Manufacturer: Edison Swan Electric Co. Ltd., England
Physical Description
Tubular glass bulb with conical end caps and a pair of cylindrical caps on the side near one end. Bulb has silvery deposiit on inside. The silvery coating on the bulb is condensed tungsten from the filament; this valve is obviously well used.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Wireless Institute of Australia, Mr Max Howden, 28 Apr 1967
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Manufacturer
The Edison Swan Electric Co. Ltd., England, Great Britain, circa 1918
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Inscriptions
Bulb: Made in England/Ediswan/V24
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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
75 mm (Length), 27 mm (Width), 19 mm (Outside Diameter)
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References
[Book] Tyne, Gerald F. 1987. Saga of the Vacuum Tube., 1987, 222 - 224 Pages
[Book] Stewart, Finlayson (Fin). 1998. History of GEC and the Marconi Osram Valve., 1998, 43 - 46, 77 Pages
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