Antique radios, Old Time Radios
ERECT
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Country:
Great Britain (UK)
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Brand:
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| Tube type: |
High-vacuum Rectifier Power-supply |
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<1925 no serial production. For instance only
development samples. ***** |
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| Identical to |
ERECT
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| First year |
1922
Saga of the Vacuum Tube, Tyne page 381
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| First Source
(s) |
1916 : British Radio Valves - The Vintage Years: 1904-1925 p.67,68
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| Base |
Wires
Wires only.
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| Was used by |
Technology / Measurement |
| Filament |
Vf 6 Volts / If 4.3 Ampere / Direct |
| Description |
Designed by Round for experimental use. Double ended. Source of power was a 10" spark coil. Such was the available H.T. source on board of the Navy vessels.
Page 68 of "British Radio Valves The Early Years 1904-1925" states that this tube is similar to the Ediswan ES10, which has a pinless B22 cap with screw termiall at one end for anode and an Edison E27 base at the otherend for he filament. This tube is listed on page 126 as possibly mae in 1916.
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