air publication General instrument equipment for aircraft, vol. 1 / Air Ministry Handbook of artillery instruments and range-finders Handbook of artillery instruments and range-finders / The War Office : Part 1 Coast artillery drills. Vol. I : Instruments in the battery obervation post-general Handbook of artillery instruments and range-finders : / The War Office. Part 1 / The @War Office pamphlet Directions for the use of artillery instruments : The radio link S.R. Mark I voorschrift Voorschrift, betreffende de inrichting en het gebruik van de instrumenten bij de infanterie (V.I.I.) 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 Handbook of artillery instruments and range-finders : / The War Office. Part 1 / The @War Office pamphlet Directions for the use of artillery instruments : Sound ranging equipment, miscellaneous
