Bofors. 75mm mountain gun L/22, 6,5/470 Bofors. Ammunition for 40-mm Aut. A.A. gun M/36 am M/48 Bofors. 10,5 cm anit-aircraft field gun L/50 Bofors. Bofors 40mm automatic gun L/70 on field mounting Bofors. AB Bofors Technical Manual for 40mm A.A. Gun L/70 on field mounting Contraves. Kugelkornrechner "Contraves"- The "Contraves" A.A. Gun Sight Calculator Drägerwerk-Lübeck. Dräger-Tauchgeräte, Schlauchlos und freitragbar, Taucher-Hilfgeräte, Bergungsgeräte Douglas Aircraft Company. Demonstration Flight Tests Model 8A-3N #531, Report #589, October 1939 Douglas Aircraft Company. Flight and propulsion spectrum, Past an probable future as visualized in the year 1946 Douglas Aircraft Company. Finish specification, F.S. 16, Attack bomberairplane model 8A-3N Douglas Aircraft Company. Handleiding voor den Vlieger, Douglas vliegtuig 8A-3N Douglas Aircraft Company. Model 8A-3N, Report no. 588, Airplane vibration characteristics