FAST a.
e stopped, the band is transferred from the pulley fixed to the shaft to the pulley which revolves freely upon it, and vice versa. -- Hard and fast (Naut.), so completely aground as to be immovable. -- To make fast (Naut.), to make secure; to fasten firmly, as a vessel, a rope, or a door.
FRICTION n.
shaft or pulley is so forcibly pressed against a piece on another shaft that the two will revolve together; as, in the illustration, the cone a on one shaft, when thrust forcibly into the corresponding hollow cone b on the other shaft, compels the shafts to rotate together, by the hold the friction of the conical surfa…
JUPITER n.
except Venus, and the largest of them all, its mean diameter being about 85,000 miles. It revolves about the sun in 4,332.6 days, at a mean distance of 5.2028 from the sun, the earth's mean distance being taken as unity. Jupiter's beard. (Bot.) (a) A South European herb, with cymes of small red blossoms (Centranthus ru…
LAP n.
the like, or in polishing cutlery, etc. It is usually in the form of wheel or disk, which revolves on a vertical axis. Lap joint, a joint made by one layer, part, or piece, overlapping another, as in the scarfing of timbers. -- Lap weld, a lap joint made by welding together overlapping edges or ends. -- Inside lap (S…
MONITOR n.
A tool holder, as for a lathe, shaped like a low turret, and capable of being revolved on a vertical pivot so as to bring successively the several tools in holds into proper position for cutting. Monitor top, the raised central portion, or clearstory, of a car roof, having low windows along its sides.…
MOON n.
The celestial orb which revolves round the earth; the satellite of the earth; a secondary planet, whose light, borrowed from the sun, is reflected to the earth, and serves to dispel the darkness of night. The diameter of the moon is 2,160 miles, its mean distance from the earth is 240,000 miles, and its mass is one eig…
PISTOL n.
m one hand, -- now of many patterns, and bearing a great variety of names. See Illust. of Revolver. Pistol carbine, a firearm with a removable but- piece, and thus capable of being used either as a pistol or a carbine. -- Pistol pipe (Metal.), a pipe in which the blast for a furnace is heated, resembling a pistol in f…