Antique radios, Old Time Radios
NR13
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Country:
Great Britain (UK)
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| Identical to |
NR13
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| Similar
Tubes |
Other characteristic (electr. data):
NR7
; NR7A
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| Base |
IS-2 (Interservice, UK 1918)
Sidecontact.
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| Was used by |
Military and/or Government |
| Filament |
Vf 3.5 Volts / If 0.61 Ampere |
| Description |
This was among the last of the "R" series tubes manufactured for the UK Navy and is very similar to the NR7A and the NR7.
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| Information source |
British Radio Valves - The Vintage Years: 1904-1925 Pages 39, 40 & 86
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Collection of
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| Data Compliance |
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