Antique radios, Old Time Radios
AT25
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Country:
Great Britain (UK)
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Brand:
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| Tube type: |
Transmitting Triode, air cooled Power/Output |
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<1925 very rare. *** |
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| Identical to |
AT25
= T25
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| First year |
1922
Saga of the Vacuum Tube, Tyne Seite 381
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 5.5 Volts / Direct / Battery = |
| Description |
Made for the British Army. Also made by Mullard and Ediswan. Ediswan tube used their chahacteristic 4 "pillar" element mounting.
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Dimensions (WHD)
incl. pins / tip |
108 x 55 x mm / 4.25 x 2.17 x inch |
| Information source |
British Radio Valves - The Vintage Years: 1904-1925 p.77
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AT25: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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