Bell Labs Experimental Dual Gun Storage CRT 499111
              Tube cathodique à mémoire expérimental
              Versuchsröhre, Speicherröhre
			  This tube was part of the collection assembled by Hallam E. Mendenhall (1900-1993).
               
			  
			  Click to enlarge
			  Longueur • Length • Länge : 40 cm • 15" 3/4
              Diamètre • Diameter • Durchmesser : 10 cm • 4"
              
              
			  
              
              The storage surface is unfortunately detached.
               
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