Antique radios, Old Time Radios
B4021
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Country:
United States of America (USA)
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| Identical to |
B4021
= 8502
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| Base |
SPECIAL TUBEBASE in general
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| Filament |
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| Description |
Low-voltage 0.310" (8mm) digit height. 0 to 9.
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Dimensions (WHD)
incl. pins / tip |
16 x 28 x mm / 0.63 x 1.10 x inch |
| Weight |
4 g / 0.14 oz |
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B4021
Emilio Ciardiello
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B4021: Manufacturer's Literature
Emilio Ciardiello
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