Fire-brick
A brick made of fire-clay, and other refractory materials for use in cupolas and other furnaces, and for that reason must be capable of sustaining intense heat without fusing. See REFRACTORY MATERIALS; FIRE-CLAY.
Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.
A brick made of fire-clay, and other refractory materials for use in cupolas and other furnaces, and for that reason must be capable of sustaining intense heat without fusing. See REFRACTORY MATERIALS; FIRE-CLAY.