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