Barr & Stroud/Lasergage. Helicopter infra red system Barr & Stroud. Pacesetters 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 MH Brown. Mechanical meters, Flow and liquid level, catalog 2204-3 Bofors. 57mm Q.F. automatic naval twin gun, M/45 stabilizes mounting Bofors. Table de tir pour canon automatique de 40mm L/60, Vo=850 m/sec. Bofors. Pflichtenheft gehörend zum Vertrag no. 45821 vom 26. April 1930 Bofors. Neigungen der Schildzepfenechse bei Luftabwehrgeschützen, Nr. R.111 Bofors. Project, 57mm automatic fieldgun L/60, short description Bofors. 75mm Feldluftabwehrkanone L/50, Beschreibung und Bedienungsanleitung