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One who converts cast iron into wrought iron by the process of puddling.

The art or process of converting cast iron into wrought iron or steel by subjecting it to intense heat and frequent stirring in a reverberatory furnace in the presence of oxidizing substances, by which it is freed from a portion of its carbon and other impurities. Puddling furnace, a reverberatory furnace in which cast…

Am extended cooking apparatus of cast iron, set in brickwork, and affording conveniences for various ways

material used in smelting; leather is the raw material of the shoe industry. -- Raw pig, cast iron as it comes from the smelting furnace.

A furnace in which cast iron is refined by the action of a blast on the molten metal.

eak to enter a receiver for general chemical operations, or a cylinder or semicylinder of cast iron for the manufacture of gas in gas works. Tubulated retort (Chem.), a retort having a tubulure for the introduction or removal of the substances which are to be acted upon.

ich bar iron or forgings can be made; -- called also wrought-iron scrap. (b) Fragments of cast iron or defective castings suitable for remelting in the foundry; -- called also founding scrap, or cast scrap.

ilvery voices; a silvery laugh. Silvery iron (Metal.), a peculiar light-gray fine-grained cast iron, usually obtained from clay iron ore.

A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel. Called also spe…

A variety of iron intermediate in composition and properties between wrought iron and cast iron (containing between one half of one per cent and one and a half per cent of carbon), and consisting of an alloy of iron with an iron carbide. Steel, unlike wrought iron, can be tempered, and retains magnetism. Its malleabili…

A hard, silvery-white cast iron containing a large proportion of combined carbon. -- White iron pyrites (Min.), marcasite. -- White land, a tough clayey soil, of a whitish hue when dry, but blackish after rain. [Eng.] -- White lark (Zoöl.), the snow bunting. -- White lead. (a) A carbonate of lead much used in painti…