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PR11_Condor

Information - Aide 
ID = 51074
       
Pays:
Pays-Bas
Fabricant: Pope's Draad- en Lampenfabrieken; Venlo
Concepteur: Philips; Eindhoven (tubes international!); Miniwatt 
Type:  Gas Triode   Detector 
  <1925 très rare
Identique à PR11_Condor = Detector_Star = PR11_Pope = D1 = D-I

Culot Europe 4-Pin B4 (Eu A, E, 4A) 1914
Chauffage Vf 3.5 Volt / If 0.5 Ampère / Direct / Battery =
Description The PR11 = Philips D1 was supplied with B4 base and in the shape of a D4 with an UV base. The D4 had the same characteristics as the D1, but had a UV base and different envelope. See pictures. 
Bibliographie - - Manufacturers Literature   1925

b4base.png PR11_Condor
Peter den Boer † 2025

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Just Qvigstad

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pr11_condorafb.jpg

PR11_Condor
 

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