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Title: Ophthalmic lens blank in Reactolite Rapide photochromic glas [Go to resource]
Description: 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 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ophthalmic lens blank Temporal: 1986-1987 Source: Science Museum Creator: Chance-Pilkington Identifier: 1987-17 Go to resource More Like this...
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