Antique radios, Old Time Radios
DEV
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Country:
Great Britain (UK)
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| Identical to |
DEV
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| Similar
Tubes |
Other characteristic (electr. data):
E414_MOV
Heater different:
V24
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| First Source
(s) |
1923 : British Radio Valves - The Vintage Years: 1904-1925 p.54
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| Predecessor Tubes |
V24
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| Was used by |
Military and/or Government |
| Filament |
Vf 3 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
Dull emitter substitute for the V24. Some MOV DEV tubes exist with a painted part of the lower end of the bulb. This can be either orange, frosted, green or blue. This was a "color coding" method by MOV to identify certain users.
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Dimensions (WHD)
incl. pins / tip |
18 x 73 x mm / 0.71 x 2.87 x inch |
| Weight |
12 g / 0.42 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49 1925 Brown Brothers Catalog 217
Saga of the Vacuum Tube, Tyne
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DEV: Fin Stewart
Fin Stewart
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DEV: own collection
Peter den Boer
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6
Collection of
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