Ophthalmic lens blank in Sundance photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Holographic Head-up Display Combiner, 1985
1985
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Aspheric lens used for slide projectors
1980
Borosilicate crown glass
1980
White ophthalmic crown glass
1980
Preproduction sample of the first photochromic glass from Chance Pilkington
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Conventional (metallised) head up display combiner by P. E. Pilkington Ltd.
1985
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in crown glass of refractive index 1.523
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in Sundance photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in Reactolite Rapide photochromic glass
1986-1987
Ophthalmic lens blank in crown glass
1986-1987
White condenser lens
1980
Bi-convex crown lens
1980
Bi-convex crown lens
1980
Optical glass containing lanthanum
1980
Optical glass containing lanthanum
1980
Crookes - alpha glass tinted with cerium and didymium oxides
1980
Green SGO glass coloured by addition of iron
1980
Photographic contact sheet showing Jamie Petrie and baby elephant Hanibal
1965-09-14
Photographic contact sheet showing Jamie Petrie and Hanibal the baby elephant
1965-09-14
Sample of radiation shielding glass used for medical and industrial X-ray units operating in the region of 100-200 KV
1980
Optically worked prism in high lead silicate flint glass (Refractional index = 1.805. V = 25.4)
1980
Optically worked prism in borosilicate crown glass
1980
Polished prism which forms part of a persicope sight
1980
Sample of photochromic glass
1980
Two pressed prisms in white ophthalmic crown glass
1980
Two samples of photochromic glass
1980
Ophthalmic lens blank in Slimline 730 high-index glass
1986-1987
Ophthalmic lens blank in Slimline Brown 730 high-index glass refractive index 1.8
1986-1987
Ophthalmic lens blank in Slimline 730 high-index glass
1986-1987
Variable Wavelength Hologram
1985
Sample of photochromic glass
1980