EYIZED ARMOR. the large plates is more than is consunied per day by a The present article is devoted to a description of the city of 30,000 inhabitants. manufacture of Harveyized armor plate, as this repre- After the plate has been oil-tempered it is again car- sents the most modern method of… … mass appearing in the finished market- ground. able plate. Some of these ingots are truly The holes for the bolts by which the Hardening the Plate. enormous masses of metal, the largest of armor is fastened to the backing and framework of the ship are now drilled. which weigh as much as 275,000…
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