BLANCHARD LATHE n.
A kind of wood-turning lathe for making noncircular and irregular forms, as felloes, gun stocks, lasts, spokes, etc., after a given pattern. The pattern and work rotate on parallel spindles in the same direction with the same speed, and the work is shaped by a rapidly rotating cutter whose position is varied by the pat…
BOARDING n.
The act of supplying, or the state of being supplied, with regular or specified meals, or with meals and lodgings, for pay. Boarding house, a house in which boarders are kept. -- Boarding nettings (Naut.), a strong network of cords or ropes erected at the side of a ship to prevent an enemy from boarding it. -- Boardi…
BOOKKEEPING n.
The art of recording pecuniary or business transactions in a regular and systematic manner, so as to show their relation to each other, and the state of the business in which they occur; the art of keeping accounts. The books commonly used are a daybook, cashbook, journal, and ledger. See Daybook, Cashbook, Journal, an…
BORE n.
A tidal flood which regularly or occasionally rushes into certain rivers of peculiar configuration or location, in one or more waves which present a very abrupt front of considerable height, dangerous to shipping, as at the mouth of the Amazon, in South America, the Hoogly and Indus, in India, and the Tsien-tang, in Ch…
BOX KITE n.
te, 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.
BRACE n.
ressure; 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.
BRECCIA n.
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.