Antique radios, Old Time Radios
S1-1A
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| Tube type: |
Relay in glass (not Relay Triode) |
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| Identical to |
S1-1A
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| Filament |
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| Description |
Thermal relay by Edison USA. NO contacts close at 70 C.
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| Information source |
-- Collector info (Sammler)
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Collection of
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