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101DW

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ID = 28937
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to 101DW = 101D = 208A = 4101D
Similar Tubes
Normally replaceable-slightly different:
  R208-A
First year 1922 Saga of the Vacuumtube, Tyne page 287

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Vf 4 Volts / If 1 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 109 x 59 mm / x 4.29 x 2.32 inch
Weight 58 g / 2.05 oz
 
101dw_so.png
101DW: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1924?

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

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