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Scientific American, Vol. 79, No. 22 (1898) (1898)
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divided in each case into 9 rectan- neers determined to erect the new gular cells 21 inches square in sec- spans around the old tubular struc. tion. The structure was stiffened ture and remove the latter piece- laterally by plate gussets 51g feet meal after the new work had been deep by 214 feet… … © 1898 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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