Antique radios, Old Time Radios
MT3
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Country:
Great Britain (UK)
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| Identical to |
MT3
|
| Similar
Tubes |
Differences not known by us:
MT3F
|
| First year |
Jun.1919
British Radio Valves - The Vintage Years: 1904-1925 page 129 - but before = Ediswan
|
| Base |
TRANSMITTING & Power-TUBES/VALVES in gen
Other combinations of connections.
|
| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 6 Volts / If 2.2 Ampere / Direct |
| Description |
Ediswan is probably producing until 1919 when production went to Osram in June 1919. Tube was still listed in the 1932 Marconi Transmitting Valve catalog.
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
x 165 x 75 mm / x 6.50 x 2.95 inch |
| Information source |
British Radio Valves - The Vintage Years: 1904-1925 Pages 69, 71 & 127
- - Manufacturers Literature
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MT3: Fin Stewart
Fin Stewart
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MT3: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
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Collection of
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