Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 380
Lead— Desilverizing ; Sheet-lead. :;,-,s very satisfactory results. The appa- is as high as 50 to 60 per cent, of the ratus used is shown in Fig. 144. The total used. lead is first melted in the upper pot a, This process has much to recommend it, in the low ori- FlO. 144. ginal cost of plant, … box pierced with means of an iron the lead in a kind of rain through an holes; after stirring, settling, and iron sieve into the molten zinc, and by skimming, the lead-zinc mass is run dispersing the zinc drop by drop among into the lower pot b, into which a the molten lead by putting it (the zinc)…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
