Antique radios, Old Time Radios
1945_RCA
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Country:
United States of America (USA)
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| Identical to |
1945_RCA
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| First Source
(s) |
20.Jun.1947 : - - Manufacturers Literature
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.3 Volts / If 0.75 Ampere / Indirect |
| Description |
Ionization type vacuum gauge, hydrogen sensitive. M8TG metal body with small wafer octal base; 1/8" threated top pipe with coaxial glass tubulation. Palladium plate when cold acts as vacuum-tight barrier; when hot, palladium acts as permeable membran to hydrogen from outside.
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| Information source |
- - Manufacturers Literature
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- - -
- - -
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Just Qvigstad
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1945_RCA: Manufacturer paper
Tomasz Szczesniak
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