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The covering of the outside wall of a frame house, whether made of weatherboards, vertical boarding with cleats, shingles, or the like.

rees principally found in the coal formation; -- so named from the seallike leaf scars in vertical rows on the surface.

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 cup in which oil is carried over the edge of a tube in a cotton wick, and so reaches the s…

Springing line of an arch (Arch.), the horizontal line drawn through the junction of the vertical face of the impost with the curve of the intrados; -- called also spring of an arch.

x being a stamp. [Eng.] -- Stamp hammer, a hammer, worked by power, which rises and falls vertically, like a stamp in a stamp mill. -- Stamp head, a heavy mass of metal, forming the head or lower end of a bar, which is lifted and let fall, in a stamp mill. -- Stamp mill (Mining), a mill in which ore is crushed with s…

A vertical bar for confining cattle in a stall.

An inverted knee timber placed upon the deck instead of beneath it, with its vertical branch turned upward from that which lies horizontally.

A vertical pipe, open at the top, between a hydrant and a reservoir, to equalize the flow of water; also, a large vertical pipe, near a pumping engine, into which water is forced up, so as to give it sufficient head to rise to the required level at a distance.

n a steeple chase; also, a horse trained to run in a steeple chase. -- Steeple engine, a vertical back-acting steam engine having the cylinder beneath the crosshead. -- Steeple house, a church. [Obs.] Jer. Taylor.

A bearing in which the lower extremity of a spindle or a vertical shaft revolves.

e springing line is some distance above the impost, the space between being occupied by a vertical member, molded or ornamented, as a continuation of the archivolt, intrados, etc.

pport arms (Mil.), a command in the manual of arms in responce to which the piece is held vertically at the shoulder, with the hammer resting on the left forearm, which is passed horizontally across the body in front; also, the position assumed in response to this command.

Having the vertical height from springing line to crown less than the half span; -- said of an arch; as, a segmental arch is surbased.

Having its vertical height greater than the half span; -- said of an arch.

lateral motion. -- Swing bridge, a form of drawbridge which swings horizontally, as on a vertical pivot. -- Swing plow, or Swing plough. (a) A plow without a fore wheel under the beam. (b) A reversible or sidehill plow. -- Swing wheel. (a) The scape-wheel in a clock, which drives the pendulum. (b) The balance of a w…

alled also swivel gun. Wilhelm. Swivel bridge, a kind of drawbridge that turns round on a vertical axis; a swing bridge. -- Swivel hook, a hook connected with the iron strap of a pulley block by a swivel joint, for readily taking the turns out of a tackle. -- Swivel joint, a joint, the two pieces composing which turn…

or bright brown. It is represented by diagonal lines from sinister to dexter, crossed by vertical lines.

etrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed.

The amount of vertical displacement produced by a fault; -- according to the direction it is designated as an upthrow, or a downthrow.

hand of the potter from a mass of clay revolving rapidly on a disk or table carried by a vertical spindle; a potter's wheel.