Antique radios, Old Time Radios
224S
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Country:
Canada
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| Identical to |
224S
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| Similar
Tubes |
Normally replaceable-slightly different:
224
; SY224
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| First year |
1928
Saga of the Vacuum Tube, Tyne page 350
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| Base |
Top contact with a cap.
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| Filament |
Vf 2.5 Volts / If 1.7 Ampere |
| Description |
spray shielded 224
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224S: arrl Handbook 1972
Anonymous 10 Collector
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
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