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A combination of two short rectangular glass prisms cemented together at their diagonal faces so as to form a cube; -- called also optical cube. It is used in one form of photometer.

d rolling stock, consisting of two ordinary axle boxes sliding in guides attached to a triangular frame; -- called also pony truck.

closed by streets, whether occupied by buildings or not. The new city was laid out in rectangular blocks, each block containing thirty building lots. Such an average block, comprising 282 houses and covering nine acres of ground, exists in Oxford Street. Lond. Quart. Rev.

kite, invented by Lawrence Hargrave, of Sydney, Australia, which consist of two light rectangular boxes, or cells open on two sides, and fastened together horizontally. Called also Hargrave, or cellular, kite.

pressure; any one of the pieces, in a frame or truss, which divide the structure into triangular parts. It may act as a tie, or as a strut, and serves to prevent distortion of the structure, and transverse strains in its members. A boiler brace is a diagonal stay, connecting the head with the shell.…

A piece or combination of pieces, usually triangular in general shape, projecting from, or fastened to, a wall, or other surface, to support heavy bodies or to strengthen angles.

for correcting scolding women. It was an iron frame surrounding the head and having a triangular piece entering the mouth of the scold.

Broken and angular fragments of rocks underlying alluvial deposits. Lyell.

A rock composed of angular fragments either of the same mineral or of different minerals, etc., united by a cement, and commonly presenting a variety of colors. Bone breccia, a breccia containing bones, usually fragmentary. -- Coin breccia, a breccia containing coins.

Consisting of angular fragments cemented together; resembling breccia in appearance. The brecciated appearance of many specimens [of meteorites]. H. A. Newton.

A block or clay tempered with water, sand, etc., molded into a regular form, usually rectangular, and sun-dried, or burnt in a kiln, or in a heap or stack called a clamp. The Assyrians appear to have made much less use of bricks baked in the furnace than the Babylonians. Layard.

rs resting on trestles. -- Tubular bridge, a bridge in the form of a hollow trunk or rectangular tube, with cellular walls made of iron plates riveted together, as the Britannia bridge over the Menai Strait, and the Victoria bridge at Montreal. -- Wheatstone's bridge (Elec.), a device for the measurement of resistanc…

An oval or pearshaped diamond having its entire surface cut in triangular facets.

the Cytisus scoparius of Western Europe, which is a low shrub with long, straight, green, angular branches, mintue leaves, and large yellow flowers. No gypsy cowered o'er fires of furze and broom. Wordsworth.

The triangular seed used, when ground, for griddle cakes, etc.

A triangular chisel.

-- Butts and bounds (Conveyancing), abuttals and boundaries. In lands of the ordinary rectangular shape, butts are the lines at the ends (F. bouts), and bounds are those on the sides, or sidings, as they were formerly termed. Burrill. -- Bead and butt. See under Bead. -- Butt and butt, joining end to end without over…

or substituted one for another in machinery, to produce a different but definite rate of angular velocity in an axis, as in cutting screws, gear, etc. -- To ring the changes on, to present the same facts or arguments in variety of ways.

A rectangular iron frame in which pages or columns of type are imposed.

The triangular piece of wood attached to the log line. Buffalo chips. See under Buffalo. -- Chip ax, a small ax for chipping timber into shape. -- Chip bonnet, Chip hat, a bonnet or a hat made of Chip. See Chip, n., 3. -- A chip off the old block, a child who resembles either of his parents. [Colloq.] Milton.- Potat…