Antique radios, Old Time Radios
MR1_Osram
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Country:
Great Britain (UK)
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| Identical to |
MR1_Osram
= MR1_Ediswan
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| First Source
(s) |
Mar.1919 : British Radio Valves - The Vintage Years: 1904-1925 p.69
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| Base |
Wires
Wires only.
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| Was used by |
Military and/or Government |
| Filament |
Vf 9 Volts / If 5.75 Ampere / Direct |
| Description |
Used before 1920 in Marconi Marine Transmitters. First made by Osram Lamp works of GEC March 1919
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Dimensions (WHD)
incl. pins / tip |
100 x 185 x mm / 3.94 x 7.28 x inch |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
-- Collector info (Sammler)
Saga of the Vacuum Tube, Tyne Pages 381 & 383
- - Manufacturers Literature
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MR1_Osram: Sammlung GJ
Anonymous 544 Collector
More ...
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Collection of
Collection of a member from D |
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