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 137
d offusion; but if such a thing shouldbe at all likely to take place,the addition of a little driedcommon salt would remedy theevil, a small quantity of whichought always to be provided for the purpose. Thecommon carbonate of soda is also a cheap and usefulflux to the silversmith. Five-sixths of… … Fig. 21. Fire-clay Cruciblefor Lemel. MELTING LEMEI.. IO5 furnace. Great heat is required in this operation,and it also requires careful supervision to prevent,if possible, waste of material. When the mixturehas become perfectly liquid, the heat of the furnaceshould not be allowed to decrease, but…
Silverwork
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