Projector drill for projector rocket 3-inch No.2, Mark I : provisional Instrument drill for haight and range-finder, No.3 training regulations Chemical warfare service / War Department : Drill, the chemical squad, platoon and company (4-inch and 4.2-inch chemical mortar) / War Department Cavalry drill : 1896 Cavalry drill : 1896 Coast artillery drills. Vol. I : The fortress system of range-finding and observation Coast artillery drills. Vol. I : Director no. 10 Coast artillery drills. Vol. I : The decoder, fall-of-shot Coast artillery drills. Vol. I : The Fortress plotter no. 2 Coast artillery drills. Vol. I : Drill for coast artillery searchlights Coast artillery drills. Vol. I : Tests for magslip transmission Coast artillery drills. Vol. I : Drill for co-ordinate converter