Antique radios, Old Time Radios
Unknown_triode
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| Tube type: |
Triode, vacuum Audio Frequency |
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<1925 very rare. *** |
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| Identical to |
Unknown_triode
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| Base |
Swan-Bajonett B15
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| Was used by |
Military and/or Government |
| Filament |
Direct / Battery = |
| Description |
This tube has a B15 bayonet base but the elements appear to be of Western Electric origin and is most likely experimental telephone repeater tube and British made. It appears to date about 1914 - 1918. No other information available.
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Dimensions (WHD)
incl. pins / tip |
x 104 x 60 mm / x 4.09 x 2.36 inch |
| Weight |
38 g / 1.34 oz |
| Information source |
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Unknown_triode: data sheet
Massimo Maceli
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
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