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 139
he followingmanner:— Take a plumbago crucible ofthe shape shown in Fig. 22, andcapable of holding the requiredmixture; put the lemel into it,and then place on the top oneounce of finely powdered carbon-ate of soda ; this is all the fluxthe mixture requires, and it isthen quite ready for the… … Fig. 22. Plumbago Cruci-ble for Lemel. MELTING LEMEL. IO7 flux and other organic matter, which always accu-mulates upon mixtures of this kind, is held back bythe timely application of a thin piece of flat wood tothe mouth of the crucible. After the withdrawal ofthe bar of metal from the ingot…
Silverwork
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