Antique radios, Old Time Radios
5740
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Country:
United States of America (USA)
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| Identical to |
5740
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| Similar
Tubes |
Normally replaceable-slightly different:
FP-85A
; FP54
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Was used by |
Technology / Measurement |
| Filament |
Vf 2.5 Volts / If 0.9 Ampere / Direct |
| Description |
This tube used for electrometry.
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Dimensions (WHD)
incl. pins / tip |
x 154 x mm / x 6.06 x inch |
| Information source |
Tube Lore (II) p. 95 & 212
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Just Qvigstad
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| Data Compliance |
More Information |
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