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To line the hearth of (a puddling furnace) with fettling.

The reheating of an article at the furnace aperture during manufacture to restore its plastic condition; esp., the reheating of a globe of crown glass to allow it to assume a flat shape as it is rotated.

between rolls. Flatting coat, a coat of paint so put on as to have no gloss. -- Flatting furnace. Same as Flattening oven, under Flatten. -- Flatting mill. (a) A rolling mill producing sheet metal; esp., in mints, the ribbon from which the planchets are punched. (b) A mill in which grains of metal are flatted by stee…

Fluid glass floating on iron in the puddling furnace, produced by the vitrification of oxides and earths which are present. Floss hole.

tant by the flowing of the exciting liquid through the cell or cells. Knight. -- Flowing furnace, a furnace from which molten metal, can be drawn, as through a tap hole; a foundry cupola. -- Flowing sheet (Naut.), a sheet when eased off, or loosened to the wind, as when the wind is abaft the beam. Totten.…

The forward extension of the hearth of a blast furnace under the tymp.

ablishment where iron or other metals are wrought by heating and hammering; especially, a furnace, or a shop with its furnace, etc., where iron is heated and wrought; a smithy. In the quick forge and working house of thought. Shak.

Vaulted like an oven or furnace; arched.

A variety of rhodonite, from Franklin Furnace, New Jersey, containing some zinc.

The crucible or basin in a furnace which receives the molten metal. Knight.

The material of which glass is made, after having been calcined or partly fused in a furnace, but before vitrification. It is a composition of silex and alkali, occasionally with other ingredients. Ure.

An oblong oven or muffle with a battery of retorts; a gallery furnace.

The process of removing moisture from the blast of an iron blast furnace by reducing its temperature so far that it will not remain suspended as vapor in the blast current, but will be deposited as snow in the cooling apparatus. The resultant uniformly dehydrated blast effects great economy in fuel consumption, and pro…

r caged birds. -- German process (Metal.), the process of reducing copper ore in a blast furnace, after roasting, if necessary. Raymond. -- German sarsaparilla, a substitute for sarsaparilla extract. -- German sausage, a polony, or gut stuffed with meat partly cooked. -- German silver (Chem.), a silver-white alloy,…

face (Steam, Boiler) the area of the surface of the grate upon which the fuel lies in the furnace.

The floor of a furnace, on which the material to be heated lies, or the lowest part of a melting furnace, into which the melted material settles. Hearth ends (Metal.), fragments of lead ore ejected from the furnace by the blast. -- Hearth money, Hearth penny Etym: [AS. heoredhpening], a tax formerly laid in England on…

A single complete operation of heating, as at a forge or in a furnace; as, to make a horseshoe in a certain number of heats.

Any contrivance or implement, as a furnace, stove, or other heated body or vessel, etc., used to impart heat to something, or to contain something to be heated. Feed heater. See under Feed.

in passes into a mill by joining or shaking, or a funnel through which fuel passes into a furnace, or coal, etc., into a car.

The upper stage of a porcelian furnace.