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Scientific American, Vol. 72, No. 1 (1895) (1895)
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se when they were designed these galvanized, are all hammered to shape, no plate being rolied toa curve. Much of this shaping is done cold, tight transverse bulkheads give seven watertight com- weapons had not attained their present perfection. but where more elaborate work is desired the flanging… … © 1895 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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