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You are here: Home > Gateway > Collector Profiles > Mount Vernon Museum > dscn0099

 

 
Description  
  Osmium filament lamps. Caption card reads: "Osmium filament lamps. Developed by Carl Auer von Weisbach, the inventor of the gas mantle. Extremely rare since burned out lamps were reclaimed to recycle the osmium. The osmium lamp was the first to employ a metallic filament."  
 
Ref. ID  
  dscn0099