A rudimentary treatise on the metallurgy of silver and lead .. (1861)
Lamborn, Robert H · London, J. Weale · leaf 124
112 CARINTHIA PROCESS, tal section along the line A B of Fig. 19, Fig, 19 a vertical section along the line C D, and Fig. 20 a vertical along the line E F. … Two furnaces are usually placed side by side, as is indicated in the drawing, one chimney answering for both. The hearth of these furnaces, instead of being broad and hollowed, with a tap-hole at the side, as in England, is narrow, and is furnishod with a regular slope from the fire end to the…
Silver · Lead
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