Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 19699
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Marconi's Wireless Telegraph Co. Ltd. 
Tube type:  Transmitting Triode, air cooled 
  <1925 very rare. ***
Identical to MT4 = CV1610 = VT10_GPO
Similar Tubes
Different maximum ratings:
Other characteristic (electr. data):
First year Jun.1919 ?? British Radio Valves - The Vintage Years: 1904-1925 page 129 but Ediswan before

Base Wires Wires only.
Was used by Transmittertube (Radio)
Filament Vf 12.5 Volts / If 6.3 Ampere / Direct / Specified voltage AC/DC

Ediswan is probably producing, but unconfirmed, until 1919 when production went to Marconi Osram. 200 watt transmitting tube with anode voltage of 10,000.

Text in other languages (may differ)
Information source British Radio Valves - The Vintage Years: 1904-1925   Pages 69, 83 and 133

MT4: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Usage in Models 1= 1920??

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


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]