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Audion_01-twoelectr

Information - Aide 
ID = 73898
       
Pays:
Etats-Unis
Fabricant: DeForest-Tubes
Concepteur: DeForest-Tubes 
Type:  Gas Diode   Detector 
  <1925 extrêmement rare
Identique à Audion_01-twoelectr
Première série 1906 Saga of the Vacuum Tube, Tyne
Prédécesseurs Fleming_exp  
Successeurs 1907   AUDION_DeForest  

Culot Edison (candelabra) 12 mm
Utilisé par Radio/TV-reception etc.
Chauffage Vf 4 Volt / Direct / Battery =
Description This tube is first made late in 1905 by H. W. McCandless and Company for the de Forest Radio Telephone and Telegraph Company. It had a four volt carbon filament and was fitted with an E12 Edison screw base. The nickel anode "lead-in" wire entered the glass bulb a few millimetres from the exhaust tip at the top of the bulb. de Forest had acquired a Fleming two electrode tube and asked McCandless if he could make six copies. de Forest applied for a patent on May 19th, 1906 and this was granted on November 13th of the same year. the patent number is 836070. The successors were the Audion_02-electrostatic and Audion_03-electromagnetic developed late in 1906. 
Texte dans d'autres langues (peut différer)
Dimensions
(l x h x p)
incl.pins/tip
x x 25 mm / x x 0.98 inch
Bibliographie Saga of the Vacuum Tube, Tyne   Pages 53,55,&58

audion_01_patent_diagram.png
Audion_01-twoelectr: Fin Stewart
Fin Stewart

 
audion_01_two_electrode_tube.jpg

 

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