BROWN a.
hematite or Brown iron ore (Min.), the hydrous iron oxide, limonite, which has a brown streak. See Limonite. -- Brown holland. See under Holland. -- Brown paper, dark colored paper, esp. coarse wrapping paper, made of unbleached materials. -- Brown spar (Min.), a ferruginous variety of dolomite, in part identical w…
BUCKING n.
The process of breaking up or pulverizing ores. Bucking iron (Mining), a broad-faced hammer, used in bucking or breaking up ores. -- Bucking kier (Manuf.), a large circular boiler, or kier, used in bleaching. -- Bucking stool, a washing block.