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A screen to prevent coals or sparks of an open fire from escaping to the floor.

Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. Filter bed, a pond, the bottom of which is a fil…

A charcoal hearth or furnace for the conversion of cast iron into wrought iron, or into iron suitable for puddling.

also (Metal.), the conversion of cast iron into suitable for puddling, in a hearth or charcoal fire.

mbustibles, for setting fire to an enemy's ships. -- Fire shovel, a shovel for taking up coals of fire. -- Fire stink, the stench from decomposing iron pyrites, caused by the formation of sulphureted hydrogen. Raymond. -- Fire surface, the surfaces of a steam boiler which are exposed to the direct heat of the fuel a…

Fuel; firewood or coal. [Obs.] Mortimer. Firing iron, an instrument used in cauterizing.

A coal broker who conducts the sales between the owner of a coal pit and the shipper. [Eng.] Simmonds.

A coal cart. [Eng.] Simmonds.

autiful violet fluorescence; whence its name. It occurs in the higher boiling products of coal tar, and is obtained artificially.

Very old. [Obs.] A bear's skin, coal-black, forold. Chaucer.

Dug out of the eart; as, fossil coal; fossil salt.

Aniline red; an artificial coal-tar dyestuff, of a metallic green color superficially, resembling cantharides, but when dissolved forming a brilliant dark red. It consists of a hydrochloride or acetate of rosaniline. See Rosaniline.

oduce heat by burning; that which feeds fire; combustible matter used for fires, as wood, coal, peat, etc.

lting zinciferous ores. Raymond. -- Furnace hoist (Iron Manuf.), a lift for raising ore, coal, etc., to the mouth of a blast furnace.

Fine charcoal of willow wood, used as a drawing implement.

Composed of leaves united by their edges (coalescent). Gray.

olefiant gas, and hydrogen, artificially produced by the destructive distillation of gas coal, or sometimes of peat, wood, oil, resin, etc. It gives a brilliant light when burned, and is the common gas used for illuminating purposes.

of fluid hydrocarbons, obtained from petroleum, as also by the distillation of bituminous coal. It is used in making air gas, and in giving illuminating power to water gas. See Carburetor.

An apparatus for detecting the presence of any dangerous gas, from a gas leak in a coal mine or a dwelling house.

oard on which signatures are gathered or assembled, to form a book. Knight. -- Gathering coal, a lighted coal left smothered in embers over night, about which kindling wood is gathered in the morning. -- Gathering hoop, a hoop used by coopers to draw together the ends of barrel staves, to allow the hoops to be slippe…