Antique radios, Old Time Radios
BX2004
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Country:
United States of America (USA)
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| Identical to |
BX2004
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| Filament |
Vf 6.3 Volts / If 0.15 Ampere / Indirect |
| Description |
Shielded version of 'Beam-X Switch' family from Burroughs. To reduce the size of the previous beam switch tubes, Burroughs moved the magnetic source inside the electrode structure; 10 small magnets were mounted into the tube, one for each counting position.
Glass envelope with 26 pin base, magnetic shield. Use in Xerox copiers reported.
Operating principle of trochotron.
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BX2004: Excerpted from from Xerox counter schematic
Gord Rabjohn
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BX2004: Excerpted from from Xerox counter schematic
Gord Rabjohn
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Collection of
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