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3070

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ID = 83872
       
Country:
United States of America (USA)
Brand: Fischer & Co., Inc., H. G.; Chicago, IL
Tube type:  Half-Wave Cold-cathode-rectifier   Power-supply 
Identical to 3070
Similar Tubes
Normally replaceable-slightly different:
  872A

Base Jumbo 4-pin bayonet (1918) Top contact with a cap.
Was used by Industrial
Filament Vf 5 Volts / If 7.5 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 216 x 64 mm / x 8.50 x 2.52 inch
Information source Tube Lore (II)   p. 154

4at_10~~17.png 3070: Fin Stewart
Fin Stewart


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