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ID = 28496
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Tube type:  Triode, vacuum   Universal 
Identical to DE11
Similar Tubes
Other base:
First year 1924 Saga of the Vacuumtube, Tyne Seite 373

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 1.1 Volts / If 0.25 Ampere / Direct / Battery =

Story of Cosmos valves see here

Tube prices 1 Tube prices (visible for members only)
Literature Saga of the Vacuumtube, Tyne   p.373
70 Years of Radiotubes and V.   p.196
British Radio Valves - The Vintage Years, Thrower
Alan Scott Douglas † 16.11.15

DE11: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Usage in Models 1= 1926

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Forum contributions about this tube
Threads: 1 | Posts: 1
Hits: 1800     Replies: 0
DE11 (DE11)
Alan Scott Douglas † 16.11.15

There is a typo on page 373 of Tyne's "The Saga of the Vacuum Tube". The DE11 was introduced by E.Y. Robinson, not  E. Brian Munt.  Refer to the BVWS Bulletin vol.2 no.4, p.59.

End of forum contributions about this tube

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