Antique radios, Old Time Radios
HB105
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| Tube type: |
Numerals- and Symbols indicating tube Indication |
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| Identical to |
HB105
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Successor Tubes
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Z550M
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Industrial |
| Filament |
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| Description |
Very early Pixie indicator by Haydu Brothers. The prefix itself, H-B, looks to be the acronym of Haydu Brothers. Designed as low cost indicator with single etched anode plate and pins terminating in short cathode rods on its back side, one small rod behind each digit cut out in the plate.
See also H-B106.
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Collection of
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