Barr & Stroud. Developments, Passive night telescopes CU17 and CU18 Barr & Stroud. Data sheet, Passive night viewing system CU19 Barr & Stroud. Germanium, For infrared optics Decca Radar. Windfinding radar Decca Radar. Notes on weather radar ERG. Vitreous enameld and glass-bond resistors G.E.C. Airport electrification G.E.C. Sodium appraoch light G.E.C. High intensity appraoch lights G.E.C. General purpose communication reciever G.E.C. Radio communication equipment G.E.C. Taxi track light and low intesity runway light
