TRUSS n.
arranged to transmit pressure vertically to those points, with the least possible strain across the length of any member. Architectural trusses when left visible, as in open timber roofs, often contain members not needed for construction, or are built with greater massiveness than is requisite, or are composed in unsc…
TUNNEL n.
A level passage driven across the measures, or at 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 wh…
VISCACHA; VIZ-CACHA n.
rather long, mottled gray above, white or yellowish white beneath. There is a white band across the muzzle, and a dark band on each cheek. It inhabits grassy plains, and is noted for its extensive burrows and for heaping up miscellaneous articles at the mouth of its burrows. Called also biscacha, bizcacha, vischacha,…
WAY n.
ising money; resources for revenue. -- Way leave, permission to cross, or a right of way across, land; also, rent paid for such right. [Eng] -- Way of the cross (Eccl.), the course taken in visiting in rotation the stations of the cross. See Station, n., 7 (c). -- Way of the rounds (Fort.), a space left for the passa…
WIRE n.
ee Wire bed, above. -- Wire micrometer, a micrometer having spider lines, or fine wires, across the field of the instrument. -- Wire nail, a nail formed of a piece of wire which is headed and pointed. -- Wire netting, a texture of woven wire coarser than ordinary wire gauze. -- Wire rod, a metal rod from which wire…