SAND n.
ainst them by a steam jet or otherwise; also, the apparatus used in the process. -- Sand box. (a) A box with a perforated top or cover, for sprinkling paper with sand. (b) A box carried on locomotives, from which sand runs on the rails in front of the driving wheel, to prevent slipping. -- Sand-box tree (Bot.), a tro…
SCREW n.
g a screw thread on its shank, in distinction from a key bolt. See 1st Bolt, 3. -- Screw box, a device, resembling a die, for cutting the thread on a wooden screw. -- Screw dock. See under Dock. -- Screw engine, a marine engine for driving a screw propeller. -- Screw gear. See Spiral gear, under Spiral. -- Screw j…