Antique radios, Old Time Radios
SP18/RR
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Country:
Great Britain (UK)
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| Identical to |
SP18/RR
= AML.2/30
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| Similar
Tubes |
Normally replaceable-slightly different:
B205
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| First year |
1925
Saga of the Vacuum Tube, Tyne page 373
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| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 14
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.3 Ampere / Direct / Battery = |
| Description |
Story of Cosmos valves see here
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| Information source |
70 Years of Radiotubes and V. p.196
History of the British Radio Valve to 1940 p.161
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SP18/RR: Fin Stewart
Fin Stewart
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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):1
Collection of
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