Leon Warnerke's patent actinometer, photographic e

Made:
1895-1905
maker:
Warnerke, Leon

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Leon Warnerke's patent actinometer, photographic exposure meter, late 19th/early 20th century; works by using fluorescence

Details

Category:
Photography
Object Number:
1921-97
Materials:
brass (copper, zinc alloy), glass, metal, plastic (unidentified)
type:
exposure meter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • furnishing and equipment
  • measuring device - instrument
  • photometer
  • light meter
credit:
Abney, Lady

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