Visuele signalen. VS 2-1118 Visuele signalen. VS 2-1118 Visuele signalen. VS 2-1118 Artillery Training. Volume IV, Part II, Pamphlet no. 9. A.A. Searchlights, Elementary Optical Principles of Searchlights. WO 7306 Signal Training Pamphlet no. 3. Part I. Waterproving of signal equipment for protection during wading. (Provisional). WO 7570 Reinigen, preserveren en verpakken van optische instrumenten. VS 9-150 Optische verbindingen. VS 11-17 Visuele verbindingen. VS 11-17 Verbindingen in de KL. Radioverbindingen. VS 11-21/1. Verbindingen in de KL. Schema's netradioverbindingen in het legerkorps. VS 11-21/1 Verbindingen in de KL. Straalzenderverbindingen. VS 11-21/2. Legerkorps-rayonverbindingsysteem. VS 11-50.