White ophthalmic crown glass pressed prism

Made:
1980 in St Asaph
maker:
Chance-Pilkington

Pressed prism, one of two, in white ophthalmic crown glass, by Chance-Pilkington, St. Asaph,Clwyd, Wales, 1980. To be optically worked for use in binoculars

Details

Category:
Glass Technology
Object Number:
1980-469/1/2
type:
porro prism
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • prism - optical
  • erecting prism
  • roof prism