Ophthalmic lens blank in crown glass of refractive

Made:
1986-1987 in St Asaph
maker:
Chance-Pilkington

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Ophthalmic lens blank in crown glass of refractive index 1.523, dark pink tint, type SP4, by Chance-Pilkington, St Asaph, Denbighshire, Wales, United Kingdom, 1986-1987

Details

Category:
Optics
Object Number:
1987-8
type:
ophthalmic lens blank
taxonomy:
  • component - object
  • spectacles component
  • ophthalmic lens
credit:
Chance-Pilkington