The silversmith's handbook : containing full instructions for the alloying and working of silver, including the different modes of refining and melting the metal; its solders; the preparation of imitation . ich added artistic beauty to the work, andbrought out the harmonies of colour. About thistime, too, there sprung up a great demand for theso-called galvanic ring, which consisted of alining of zinc and one of silver. The ring repre-sented, in appearance, those large, plain, half-round rings which are now made in i8-carat gold,and which weigh from 7 to 10 dwts. each. It wasthen as
The silversmith's handbook : containing full instructions for the alloying and working of silver, including the different modes of refining and melting the metal; its solders; the preparation of imitation . ich added artistic beauty to the work, andbrought out the harmonies of colour. About thistime, too, there sprung up a great demand for theso-called galvanic ring, which consisted of alining of zinc and one of silver. The ring repre-sented, in appearance, those large, plain, half-round rings which are now made in i8-carat gold,and which weigh from 7 to 10 dwts. each. It wasthen as now made of half-round shape, and some-times with the addition of a buckle upon it. Thesilver was so drawn upon the zinc that the outersurface appeared entirely of silver, and a portionof the inner surface was made to show the zinconly, which was quite sufficient for the purpose re-quired. When the ring was put on the finger thezinc, in conjunction with the silver, touched theflesh of the wearer, and was thus supposed tocreate a galvanic action, which it was alleged hada tendency to remove or prevent kind of work had a good run at the time otits introduction, but like all the rest, the fashion. I30 ON THE WORKING OF SILVER. lasted only for a while, when something else hadto be brought to the front in the silver trade. Themode of the preparation of the wire was as follows:—A bar of silver would be rolled out until a certainthinness was attained, occasionally annealing it during the process; it wasthen cut into strips wideenough for the purposerequired, again annealed,and subsequently doomed. Fig. 36. Hammer for dooming. -pj^g latter prOCCSS WaS effected in this manner:—A block of hard wood,such as boxwood, would be made use of, havinga round groove in one side of it, the metal tobe doomed would be laid along the groove anda round piece of iron or steel held upon theupper surface with the left hand; a woodenmallet is then taken with the right hand, and bya ski
Size: 2026px × 1233px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectsilverw, bookyear1921
