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 alloys... (1921)
Gee, George E. (George Edward) · London : Crosby Lockwood and Son · leaf 132
ble than that em-ployed with the other alloys. If too much zinc beadded in the preparation of these alloys, in thecourse of the work, particularly in the process ofsoldering, they have a tendency to sweat, and some-times to eat the metals into holes around the partsto be united; such alloys,… … the silver and copper should first be melted in aplumbago crucible of the form shown in Fig i8,and well stirred together in order that theymay become properly mixed.The zinc is sold in flatcakes under the name of spel-ter, and, when required, isusually cut up with a chiselinto pieces of various…
Silverwork
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