Antique radios, Old Time Radios
68504
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Country:
Great Britain (UK)
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| Identical to |
68504
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| Base |
Edison giant, E40 = 40 mm-Goliat
2 Top contacts.
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| Was used by |
Industrial |
| Filament |
Vf 2.3 Volts / If 18 Ampere / Direct / Specified voltage AC/DC |
| Description |
"Tungar" (Name is a trade mark of G. E, Co, USA). Rectifier for battery charging 30V 5A output. (This type also known as Kenotron was pioneered by Fleming and known as the "Fleming valve" in England.) Ref Electrical Educator J A Fleming 1927.
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Dimensions (WHD)
incl. pins / tip |
80 x 170 x 80 mm / 3.15 x 6.69 x 3.15 inch |
| Weight |
113 g / 3.99 oz |
| Information source |
- - Manufacturers Literature Data sheet December 1948
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Just Qvigstad
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68504: Original data sheet
Otto Galli
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