Antique radios, Old Time Radios
Round_Type-N
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Country:
Great Britain (UK)
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| Identical to |
Round_Type-N
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| Predecessor Tubes |
Round_Type-C
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| Filament |
Direct / Battery = |
| Description |
The Type N is a "soft" triode, actually the second early triode in the UK after the Round type C. Type N has an asbestos pellet in a 10 mm tube above the envelope. Quite different to the von Lieben Triode is also the grid, but similar to early Papaleksi tubes. Both, Lieben and Papaleksi use an apendix, but not for Asbestus, but Quicksilver Amalgam. The Round Type N triode was first used in the Marconi Receiver Type 27 from 1914 (or 1915) to 1918.
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| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Saga of the Vacuum Tube, Tyne p209
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
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