Ophthalmic lens blank in Reactolite Rapide photochromic glass

Ophthalmic lens blank in Reactolite Rapide photochromic glass

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Ophthalmic lens blank in Reactolite Rapide photochromic glass
Science Museum Group
© The Board of Trustees of the Science Museum

Ophthalmic lens blank in Reactolite Rapide photochromic glass, very-wide-range grey tint, type FPX7, transmittance 90% to 8%, by Chance-Pilkington, St Asaph, Denbighshire, Wales, United Kingdom, 1986-1987

Details

Category:
Optics
Object Number:
1987-17
Materials:
glass
Measurements:
overall: x x 10 mm, 65 mm, .025kg
type:
ophthalmic lens blank
credit:
Chance-Pilkington