Antique radios, Old Time Radios
6856/740
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| Identical to |
6856/740
= 740
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Filament |
Vf 2.5 Volts / If 16 Ampere |
| Description |
Hg vapor and gas thyratron. 1500V PIV, 50A peak, 2.5A average.
GE and Westinghouse known manufacturers.
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| Information source |
Essential Characteristics, GE 1973
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6856/740: Essential Characteristics
Anonymous 15 Collector
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Just Qvigstad
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