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Solder for Joining Steel

This is cast-steel, &c., as it fuses at a lower tempera-pends upon the nature of the object. In ture; and, being whiter in appearance, renders order to quicken its fusion on the metal, a the seams less observable. Take 19 parts, by mixture of 3 parts balsam of copaiba and 1 weight, fine silver: 1 part copper, and 2 parts part Venice turpentine is made use of; otherbrass; melt them under a coat of charcoal wise the operation is performed in exactly the dust. same manner as in the brazing of other metflame or the turpentine blast lamp is employed. The more and oftener the solder is spread over the surface, the better it is.