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Lining of the Cupola

The inner structure of fire-bricks built within the shell of a cupola to protect it from the intense heat during the process of melting. See CUPOLA; REPAIRING THE CUPOLA; DAUBING; FIRE-BRICK; GROUTING. Lip is that part of a ladle-shell over which the metal falls as the process of pouring takes place. To regulate the stream of molten metal, and maintain it unbroken, is of great importance when numbers of various-sized basins must be served from one ladle; a little experimenting will soon discover which form is the most suitable. See LADLES.