Barr & Stroud. chalcognenide glass type I, For optical elements in infra red systems Barr & Stroud. Data sheet, Passive night telescopes CU17 and CU18 Barr & Stroud. Calcium aluminium glasses, For infra red optics G.E.C. High intensity runway light G.E.C. Low intensity appraoch light Barr & Stroud. IR18 thermal imager Barr & Stroud. Tank laser sight with Yag rangefinder Barr & Stroud. Hand held laser rangefinder Barr & Stroud. Tank laser sight with Nd/Yag rangefinder Barr & Stroud. SHORTIE, Short range thermal imaging equipment Barr & Stroud. Tank laser rangefinder system Barr & Stroud. Optoelectrictronic materials, And associated anti-reflection coatings
