square Fresnel lens, plastic (250 mm x 250 mm) by

Made:
1975 in Slough
maker:
Combined Optical Instruments Limited

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square Fresnel lens, plastic (250 mm x 250 mm) by Combined Optical Instruments, Slough, England, 1975.

Details

Category:
Optics
Object Number:
1975-401
type:
fresnel lens
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • lens - component
credit:
Combined Optical Instruments Limited