Antique radios, Old Time Radios
PTT202
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Country:
France
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| Identical to |
PTT202
= R122
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Successor Tubes
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PTT202B
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Was used by |
Military and/or Government |
| Filament |
Vf 18 Volts / If 0.225 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Langlebensdauer Weitverkehrsröhre (Poströhre)
Text in other
languages (may
differ)
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PTT202: Technique de l'ingénieur
Patrice Zeissloff
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Just Qvigstad
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Collection of
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| Data Compliance |
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