Troy Weight
A weight used chiefly in weighing the precious metals, gems, jewelry, etc. A standard pound Troy contains twelve ounces, each ounce twenty pennyweights, and each pennyweight twenty-four grains.
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 weight used chiefly in weighing the precious metals, gems, jewelry, etc. A standard pound Troy contains twelve ounces, each ounce twenty pennyweights, and each pennyweight twenty-four grains.