Antique radios, Old Time Radios
PTT301
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Country:
France
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| Identical to |
PTT301
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| Base |
France PTT49 (B8P=F8A)
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| Was used by |
Telephony |
| Filament |
Vf 20 Volts / If 0.215 Ampere / Indirect |
| Description |
Langlebensdauerröhre (100000h).
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Dimensions (WHD)
incl. pins / tip |
31 x 60 x mm / 1.22 x 2.36 x inch |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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PTT301: Universal Vade-Mecum, 1960
Anonymous 15 Collector
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PTT301: Brans Vademecum 1961/63
Patrice Zeissloff
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