CROSSCUT n.
A level driven across the course of a vein, or across the main workings, as from one gangway to another. Crosscut saw. (a) A saw, the teeth of which are so set as to adapt it for sawing wood crosswise of the grain rather than lengthwise. (b) A saw managed by two men, one at each end, for cutting large logs crosswise.…
TUNNEL n.
t right angles to veins which it is desired to reach; -- distinguished from the drift, or gangway, which is led along the vein when reached by the tunnel. Tunnel head (Metal.), the top of a smelting furnace where the materials are put in. -- Tunnel kiln, a limekiln in which coal is burned, as distinguished from a flam…