Water-boshes
Hollow cast-iron boshes or chambers, through which a constant supply of water is made to circulate, to prevent overheating and consequent fusion. See FINERY FURNACE; TYMP.
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.
Hollow cast-iron boshes or chambers, through which a constant supply of water is made to circulate, to prevent overheating and consequent fusion. See FINERY FURNACE; TYMP.