Antique radios, Old Time Radios
R5_Osram
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Country:
Great Britain (UK)
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| Identical to |
R5_Osram
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| Similar
Tubes |
Normally replaceable-slightly different:
NR5
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| Base |
IS-1 (Interservice, UK 1918)
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| Was used by |
Military and/or Government |
| Filament |
Vf 3.6 Volts / If 0.65 Ampere / Direct / Battery = |
| Description |
Uf max. = 3.9 Volts. British Navy version NR5. R5 also made by Cryselco Lamp Company
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Dimensions (WHD)
incl. pins / tip |
x 85 x 31 mm / x 3.35 x 1.22 inch |
| Weight |
29 g / 1.02 oz |
| Information source |
Saga of the Vacuum Tube, Tyne page 220, 221, 222
British Radio Valves - The Vintage Years: 1904-1925 Pages 39 & 40
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R5_Osram: Fin Stewart
Fin Stewart
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Collection of
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