Antique radios, Old Time Radios
ONE-VOLT-ORA
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Country:
Great Britain (UK)
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| Identical to |
ONE-VOLT-ORA
= 1-VOLT-ORA
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| First year |
1924
Saga of the Vacuum Tube, Tyne page 378
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| First Source
(s) |
1924 : British Radio Valves - The Vintage Years: 1904-1925 p.56
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1 Volts / If 0.25 Ampere / Direct |
| Information source |
British Radio Valves - The Vintage Years: 1904-1925 Page 118
70 Years of Radiotubes and V. Page 223
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ONE-VOLT-ORA: Fin Stewart
Fin Stewart
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Just Qvigstad
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ONE-VOLT-ORA: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
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Collection of
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