Geometric Chuck

In gnn construction, a chuck having a radial slider to which the work is attached, the said slider oscillating in a plane at right angles to the axis of motion, so as to produce curved lines in various patterns. rant. — In the French service, an agent of the engineer corps authorized to make small payments in matters of current … An ornamental fire-work, in the shape of a strong paper tube filled with a burning composition. The ends are tamped with moist plaster of Paris or clay: in artillery, the term denoting the cone of spread or dispersion of bullets or shrapnel fragments. … In French artillery, a flaw produced in the outer surface of bronze guns by long service. dom Rapid-firing Breech Mechanism. — A modification of the interrupted screw system, consisting of 26 parts, including 7 screws, 3 springs and 2 hinge-pins. The breech-block is for % of its length from the front and back composed of 2 threaded cylindrical surfaces and 2 parallel plane surfaces. — The French name of a Turkish dart about two and one half feet long, which was formerly in very common use. Unan Automatic Pistol. — The pistol used in the German … army. Its length is 8.54 inches; length of barrel 4.02 inches; weight 1 pound and 13 ounces; caliber.35 inch; 8 cartridges in the magazine. … System of Rifling. — A system in which the grooves are thirty in number for all calibers, quite shallow, their sides being radial and forming sharp angles with the bore. The rifling has a uniform twist of one turn in twenty-five feet, and the grooves are wider at the bottom of the bore than at the muzzle. iemi Torpedo Shell. — A shrapnel with the bursting charge of gun-cotton or some other high explosive placed in the front. Its object is to attain with its fragments, troops covered by field intrenchments, both by their increased angle of fall when burst almost directly overhead, and when burst just beyond them. … Trench Torpedo. — An iron torpedo, so molded that it will break up to 98 squares. It can be shot either from a gun or catapult and is exploded when the percu ion cap on the right strikes the ground. Tin rudders in the rear keep it from turning over in the air. It is of variable size arid weight. -Shields used by the ancient Persians. They were usually made of wickerwork, and were rhomboidal m twm. i. — Formerly the Gallic mercenary so … services beyond their native country; so ca … ow w vsmof the gese, or long dart, which they carried. Also ge ates.