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s from a fish; as, a scaling knife; adapted for removing scale, as from the interior of a steam boiler; as, a scaling hammer, bar, etc.

Anything shaped or acting like a screw; esp., a form of wheel for propelling steam vessels. It is placed at the stern, and furnished with blades having helicoidal surfaces to act against the water in the manner of a screw. See Screw propeller, below.

In a steamship, a cock or valve close to the vessel's side, for closing a pipe which communicates with the sea.

Consisting of sections, or capable of being divided into sections; as, a sectional steam boiler.

s of the parts do not depend upon fastening outside of the machine itself. Self-contained steam engine. (a) A steam engine having both bearings for the crank shaft attached to the frame of the engine. (b) A steam engine and boiler combined and fastened together; a portable steam engine.

o fragments; to rend into splinters; as, an explosion shatters a rock or a bomb; too much steam shatters a boiler; an oak is shattered by lightning. A monarchy was shattered to pieces, and divided amongst revolted subjects. Locke.

lusks. Fuller. -- Shell mound. See under Mound. -- Shell of a boiler, the exterior of a steam boiler, forming a case to contain the water and steam, often inclosing also flues and the furnace; the barrel of a cylindrical, or locomotive, boiler. -- Shell road, a road of which the surface or bed is made of shells, as…

pur (Zoöl.), a flat, horny process on the tarsus of some toads, -- used in burrowing. -- Steam shovel, a machine with a scoop or scoops, operated by a steam engine, for excavating earth, as in making railway cuttings.

oint shuts in another. -- To shut off. (a) To exclude. (b) To prevent the passage of, as steam through a pipe, or water through a flume, by closing a cock, valve, or gate. -- To shut out, to preclude from entering; to deny admission to; to exclude; as, to shut out rain by a tight roof. -- To shut together, to unite;…

h. -- Side lever, a working beam of a side-lever engine. -- Side-lever engine, a marine steam engine having a working beam of each side of the cylinder, near the bottom of the engine, communicating motion to a crank that is above them. -- Side pipe (Steam Engine), a steam or exhaust pipe connecting the upper and low…

Having a paddle wheel on each side; -- said of steam vessels; as, a side-wheel steamer.

icate the existence, presence, or fact of, by a signal; as, to signalize the arrival of a steamer.

is opened; -- called also gazogene, and siphoid. -- Siphon condenser, a condenser for a steam engine, in which the vacuum is maintained by the downward flow of water through a vertical pipe of great height. -- Siphon cup, a cup with a siphon attached for carrying off any liquid in it; specifically (Mach.), an oil cu…

ds are produced by a perforated rotating disk or disks. A form with two disks operated by steam or highly compressed air is used sounding an alarm to vessels in fog. [Written also sirene, and syren.]

A slide valve. Slide box (Steam Engine), a steam chest. See under Steam. -- Slide lathe, an engine lathe. See under Lathe. -- Slide rail, a transfer table. See under Transfer. -- Slide rest (Turning lathes), a contrivance for holding, moving, and guiding, the cutting tool, made to slide on ways or guides by screws o…

To render slow; to slacken the speed of; to retard; to delay; as, to slow a steamer. Shak.

See Slime, 4. Sludge hole, the hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed.

te lead and lime, with which the bright parts of machines, such as the connecting rods of steamboats, are painted to be preserved from oxidation.

ng as a chimney, as the pipe which carries off the smoke of a locomotive, the funnel of a steam vessel, etc.

One of the secondary branches of an antler. Snag boat, a steamboat fitted with apparatus for removing snags and other obstructions in navigable streams. [U.S.] -- Snag tooth. Same as Snag, 2. How thy snag teeth stand orderly, Like stakes which strut by the water side. J. Cotgrave.