Antique radios, Old Time Radios
NT60
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Country:
Great Britain (UK)
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| Identical to |
NT60
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| Similar
Tubes |
Multiple differences or of other kind:
E1039
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Successor Tubes
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CV50
NT77
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| Base |
Wires
Wires only.
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| Was used by |
Radar |
| Filament |
Vf 18 Volts / If 130 Ampere / Direct |
| Description |
Silica envelope power tetrode.
Developed by the Signal School, this tetrode was available since December 1937. Tungsten filament, grids were not aligned. One NT60, driven by two NT57s, was used in MB2 developed by MetVick in 1939 and manufactured from early 1940.
According to the book "The Saga of Marconi Osram Valve", page 256, this tube was designed by the Admiraty (in colaboration with the Hirst Research Centre of GEC).
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| Information source |
The Saga of Marconi Osram Valve p. 244. 255, 256 & 258
-- Original prospect or advert Callick, Metres to Microwaves
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