Instruments for testing optical and fire control instruments Manuel d'observation pour les unités d'infanterie : à l'usage des élèves des écoles militaires, des officiers et des sous-officiers de renseignements régimentaires et des officiers … Geodätische Instrumente / von Adolf Fennel training regulations Topography and surveying / War Department : Care and adjustment of instruments / War Department Handbook of artillery instruments and range-finders : / The War Office. Part 1 / The @War Office pamphlet Directions for the use of artillery instruments : Air burst ranging charts - Engeland Voorschrift, 26/GS Publications/957 pamphlet Directions for the use of artillery instruments : The slide rule Directions for the use of artillery instruments. Pamphlet no. 6. Directors nos. 6 A and 7 to 7 B. 1942 Handbook of Artillery Instruments and Rage-Finders. Part I. Section 14. Calculator, Ballistic Correction, no.1, Mark I. 1933 Notes on Repair to Fire Control Instruments. Part 7. Height and Range-Finders, nos. 10 an 10 A, MK. I. WO 762 Notes on Repair to Fire Control Instruments. Part 35. Watkin Transmission for C.D. Artillery. WO 772 Notes on Repair to Fire Control Instruments. Part 40. Range-Finders, nos. 2, 11, 11 A, 12, 13 and 13 A. With Provisional Notes on R.Fs. …