Sprengle Explosives

A cla of explosives consisting of separate constituents, each non-explosive, which are combined at the moment of use. The most common is rack-a-rock, which consists of chlorate of potash, a dry crystalline substance, and nitro benzol, a liquid. Springal. arrows.— An. ancient military engine for casting stones and Springfield-Allin Rifle.— The Springfield rifle, model 1870, modified so that the cam-latch and thumb-piece are in one piece instead of being riveted together. It is fired by a center lock, the main-spring of which lies under the receiver, being dovetailed into it at its forward end. The firing-pin screw is replaced by a stop-pin, which is kept in place by the breechblock cap.