Twelve light filters, in mahogany box, for Spekker photo-electric absorptiometer

Made:
1940 in London
maker:
Adam Hilger Limited

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Set of 12 light filters for Spekker photo-electric absorptiometer by Adam Hilger Ltd., London, 1940, in wooden box

Details

Category:
Experimental Chemistry
Object Number:
1980-240/2
Materials:
brass (copper, zinc alloy), glass, textile (woollen) and wood (unidentified)
Measurements:
overall (open): 55 mm x 228 mm x 323 mm, ,
overall (closed): 74 mm x 228 mm x 165 mm, , 1.115kg
type:
photoelectric absorptiometer
taxonomy:
  • component - object
  • furnishing and equipment
  • measuring device - instrument
  • light measuring instrument - absorption