Antique radios, Old Time Radios
XL641
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Country:
Great Britain (UK)
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| Identical to |
XL641
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| Filament |
--/-- |
| Description |
Crater-type glow modulator; 1 to 70mA, 100mA pk.
Operating Voltage <150 ; Luminous intensity >0.4 candela, 650 candela/square inch.
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| Information source |
- - Manufacturers Literature
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