WESTERN UNION TELEGRAPH COMPANY Type H100 Concentrated-Arc Lamp 100W DC
              Lampe à arc concentré au zirconium
              Zirkonium Bogenlampe
              Zirconium concentrated-arc lamp, 1946-1950.
              Western Union Telegraph Company • Water Mill Laboratory, Water Mill, New York.
              Fiche technique • Data sheet • Datenblatt:
              H100.pdf
              • W. D. Buckingham and C. R. Deibert, The Concentrated-Arc Lamp, Journal of the Optical Society of America, Volume 36, Number 5, 1946.
			   
			  
			  Hauteur • Height • Höhe : 14 cm • 5" 1/2
			  Diamètre • Diameter • Durchmesser : 6 cm • 2" 3/8
			  
			  
			  
			   
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