Experimental Cathode Ray Commutator Tube SA108
              Tube cathodique commutateur
              Kathodenstrahl-Schalterröhre
			  Marking: SA108 1572.
              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 : 268 mm • 10"1/2
              Diamètre • Diameter • Durchmesser : 56 / 90 mm • 2"1/4 / 3"1/2
              
              
              
              
              
              
               
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