$3.20 per Annum. NEW YORK, JULY 21, 1877. Vol. XXXVII.—No. Bel [PosTAGE PREPAID. ] (NEW SERIES.] THE MANUFACTURE OF SHEET LEAD AND under the cylinder. The rolling once begun, … As lead is made into sheets by rolling, the and pressure. The operation is performed by MELTING THE LEAD. first process to which it is subjected is melt- two men, one of whom pours the molten lead from a crucible upon a large flat slab, when ing and casting into cakes of suituble size. The melting…
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