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FE1_MO

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ID = 30748
       
Country:
Great Britain (UK)
Brand: Marconi's Wireless Telegraph Co. Ltd.
Tube type:  Screen-grid Tetrode   Universal 
  <1925 very rare. ***
Identical to FE1_MO
First year 1920 British Radio Valves - The Vintage Years, Thrower
Successor Tubes FE3_MO   FE2_MO  

Base SPECIAL TUBEBASE in general Base on each end
Was used by Military and/or Government
Filament Vf 4.5 Volts / If 1.5 Ampere / Direct / Battery =
Description Tyne quotes Ia = 1.5 Amp. The valve was used in the single valve ship receiver Type 91, where it carried out the triple function of r.f. amplifier, diode detector and a.f. amplifier. Tube designed by Henry J Round. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 93 x 25 mm / x 3.66 x 0.98 inch
Weight 31 g / 1.09 oz
Literature British Radio Valves - The Vintage Years, Thrower   Pages 64 & 86
Saga of the Vacuumtube, Tyne   Pages 224 - 227, 380 & 382
 
fe1_mo.png
FE1_MO: R.O.
Rudolf Osterkamp

 
fe1_spec.png
FE1_MO: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


Usage in Models 1= 1920?

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


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