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MT2

Information - Help 
ID = 19697
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Marconi's Wireless Telegraph Co. Ltd. 
Tube type:  Transmitting Triode, air cooled 
Identical to MT2
First year Mar.1919 ?? British Radio Valves - The Vintage Years, Thrower Before produced by Edison Swan.

Base TRANSMITTER-Base in gneral
Filament Vf 17 Volts / Direct
Description Ediswan is probably producing until 1919 when production went to Osram. 
Text in other languages (may differ)
 
marconi_mt2.jpg
MT2: Aus eigenen Unterlagen
Rudolf Osterkamp

 
mt2_mov_spec.png
MT2: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


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