RACK n.
is tightened, and held tight by the use of a small stick of wood twisted around. -- Rack rail (Railroads), a toothed rack, laid as a rail, to afford a hold for teeth on the driving wheel of locomotive for climbing steep gradients, as in ascending a mountain. -- Rack saw, a saw having wide teeth. -- Rack stick, the s…
REFRIGERATOR n.
rapidly cooling heated liquids or vapors, connected with a still, etc. Refrigerator car (Railroad), a freight car constructed as a refrigerator, for the transportation of fresh meats, fish, etc., in a temperature kept cool by ice.
ROLLING a.
furnished with heavy rolls, between which heated metal is passed, to form it into sheets, rails, etc. -- Rolling press. (a) A machine for calendering cloth by pressure between revolving rollers. (b) A printing press with a roller, used in copperplate printing. -- Rolling stock, or Rolling plant, the locomotives and v…