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Q_Marconi

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ID = 28714
       
Country:
Great Britain (UK)
Brand:
Tube type:  Triode, vacuum   Detector 
Identical to Q_Marconi = UM-104A
First year 1916 Saga of the Vacuum Tube, Tyne page 224

Base Soffit Side contacts.
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.45 Ampere / Direct / Battery =
Description

Detector companion to the V24. Low capacity design.

 
Dimensions (WHD)
incl. pins / tip
25 x 71 x mm / 0.98 x 2.80 x inch
Weight 11 g / 0.39 oz
Tube prices 3 Tube prices (visible for members only)
Information source British Radio Valves - The Vintage Years: 1904-1925   Pages 26, 33, 37, 40, 51, 54, 57 & 86

v24_app_1.png
Q_Marconi: Thermionic tubes, John Scott-Taggart
Emilio Ciardiello

triode~~4.png Q_Marconi: Fin Stewart
Fin Stewart

q_marconi_spec.png
Q_Marconi: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Usage in Models 1= 1924??

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

Collection of

 
010q_marconi_klein.jpg

Q_Marconi
 

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