Two samples of photochromic glass

Two samples of photochromic glass, darkness to neutral grey tint in bright sunlight with 16% transmission, 1980, by Chance-Pilkington, St. Asaph,Clwyd, Wales, 1980.

Details

Category:
Glass Technology
Object Number:
1980-471
Materials:
glass, photochromic
type:
samples
credit:
Chance-Pilkington