aus natur und geisteswelt optischen Instrumente : (Lupe, Mikroskop, Fernrohr, photographisches Objectiv und ihre verwandte Instrumente) / Moritz von Rohr Operating intructions standard signal generator type TF144.G. / Marconi Instruments war department technical manual Binaural training instruments, M 1 and M 2 : ordnance maintenance / prepared under direction of the chief of ordnance war department technical manual Flank spotting instrument M 1 : flank spotting rule M 1 : ordnance maintenance war department technical manual Azimuth instrument M 1918 : ordnance maintenance Fire control instruments and associated stores for coast artillery : section V 1 Fire control instruments and associated stores for anti-aircraft : section V 4 Instrument drill for haight and range-finder, No.3 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
