Experimental Cathode Ray Commutator Tube TD-42
              Tube cathodique commutateur
              Kathodenstrahl-Schalterröhre
			  Possibly made by Western Electric.
              This tube seems to operate on the same principle as the Cyclophon (US Patent 2474810 Multichannel Cyclophon, Federal Telecommunication Laboratories 5738 Commutator Tube).
              24 target anodes.
			   
			  
			  Longueur • Length • Länge : 26 cm • 10"1/4
              Diamètre • Diameter • Durchmesser : 35 / 57 / 89 mm • 1"3/8 / 2"1/4 / 3"1/2
              
              
              
              
              
              
              
              
              
              
               
Le contenu de ce site est sous copyleft 
 The content of this site is under copyleft 
 Der Inhalt dieser Website steht unter Copyleft