pile from the furnace to therolls is fatal to the success of the operation. A pile of four plates, A, is heated in a special fur-nace, B, as represented in the engraving, and is drawnout by a liberating chain attached to the roll on toan iron carriage, C, which conveys the pile to therolls, D. The… … making a crack all round the opening ; the fourthshot hit near the bottom and broke the lower edge ofthe plate in ; and the fifth shot happened to gothrough the hole made by the third. The secondplate, was nearly double the length of the first, being14 feet long by 3 feet 7 inches wide ; the first…
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