Antique radios, Old Time Radios
M_Ediswan
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Country:
Great Britain (UK)
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| Identical to |
M_Ediswan
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| First year |
1927
Saga of the Vacuum Tube, Tyne page 373
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
2 Top contacts.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Indirect |
| Description |
This tube was the first AC type to be made by the Ediswan company. The filament was connected to the two top connections.
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| Information source |
Saga of the Vacuum Tube, Tyne p. 373
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Just Qvigstad
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