Instrument Drill for height and range-finder, no.3 - Engeland Voorschrift 26/GS Publications/1253 WO 7395 Handbook of Artillery Instruments and Rage-Finders. Part I. Section 16, Indicator, Time of Flight, Mark IV Notes on Repair to Fire Control Instruments. Part 11. Locators, Sound, MK. IX. WO 763 Optische afstandmeter (Sokhisha). IK 5-206 special publication Magnetic surveys : purposes, methods and instruments. Bundeswehr - ein gefährliches, aber perspektivloses Instrument des westdeutschen Imperialismus und Militarismus / [Gesamtred.: Oberst v. Witzleben] Aircraft instruments - USA Voorschrift, Technical Manual, 1-413 Instrument trainer maintenance - USA Voorschrift, Technical Manual, 1-447 Instrument flying training - USA Voorschrift, Technical Manual, 1-445 Optical and precision instrument industry report pamphlet Directions for the use of artillery instruments : Sound ranging equipment, miscellaneous Handbook of artillery instruments and range-finders : Range-finders nos., 2, 11, 11a, 13 & 13a / The War Office. Part 1 / The @War Office
