Antique radios, Old Time Radios
CV947
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Country:
United States of America (USA)
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| Identical to |
CV947
= VT-31
= 31
= 38031
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Military and/or Government |
| Filament |
Vf 2 Volts / If 0.13 Ampere / Direct / Battery = |
| Description |
First USA 2V battery type output tube.
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| Information source |
-- Original-techn. papers.
Babani, International Radio Tube Encyclopaedia p. 68 & 69
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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CV947: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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