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Scientific American, Vol. 40, No. 22 (1879) (1879)
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ert i A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES, NEW YORK, MAY 31, 1879. [Sirens ray a at a i = = USPENSION BRI ( NIAGARA S … “2 = SS Se = So ALLEGHENY SUSPENSION BRIDGE — COVINGTON AND CINCINNATI SUSPEN SION BRIDGE THE GREAT SUSPENSION BRIDGES OF THE UNITED STATES.—[See page 337.] © 1879 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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