Antique radios, Old Time Radios
CW-186
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Country:
United States of America (USA)
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| Identical to |
CW-186
= 201A_Western
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| Similar
Tubes |
Other base:
D_Western
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| First year |
1917
??
Saga of the Vacuum Tube, Tyne Seite 101
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Successor Tubes
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102D
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Military and/or Government |
| Filament |
If 1.3 Ampere / Direct / Battery = |
| Description |
Special 3 pin base, Navy specified, using also the bayonet pin. G-19 tennis-ball bulb.
Gain 37 to 44, 2.6 to 3 volts filament.
Unrelated to UX-201A
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| Information source |
Saga of the Vacuum Tube, Tyne pp. 101 & 103
Tube Lore (II) p. 181
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