SPINNING a.
men confined therein being employed in spinning. -- Spinning jenny (Mach.), an engine or machine for spinning wool or cotton, by means of a large number of spindles revolving simultaneously. -- Spinning mite (Zoöl.), the red spider. -- Spinning wheel, a machine for spinning yarn or thread, in which a wheel drives a…
SPIRAL a.
tions of screws or spirals. -- Spiral gearing, a kind of gearing sometimes used in light machinery, in which spiral gears, instead of bevel gears, are used to transmit motion between shafts that are not parallel. -- Spiral operculum, an operculum whih has spiral lines of growth. -- Spiral shell, any shell in which t…
STAMP n.
stamp mill. -- Stamp mill (Mining), a mill in which ore is crushed with stamps; also, a machine for stamping ore. -- Stamp note, a stamped certificate from a customhouse officer, which allows goods to be received by the captain of a ship as freight. [Eng.] -- Stamp office, an office for the issue of stamps and the r…
STOP n.
h is to slide. -- Stop motion (Mach.), an automatic device for arresting the motion of a machine, as when a certain operation is completed, or when an imperfection occurs in its performance or product, or in the material which is supplied to it, etc. -- Stop plank, one of a set of planks employed to form a sort of da…