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Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. (1899)

Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 368

An illustration from Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .., 1899, leaf 368
bridge in the world — the cantilever crossing theFirth of Forth, in Scotland. The economic .design of bridges of this type,on the basis of the mechanical principles involved, is not only an achieve-ment of this century, but of the latter part of the century. Nevertheless, wemay find illustrations… … PROGRESS IN CIVIL ENGINEERING 345 two hundred years ago in Thibet, and discovered in 1783 by LieutenantDavis, of the English embassy to the court of the Teshoo Lama. Theprinciple of these bridges is very graphically shown by a photograph madeat the time of the construction of the Forth bridge. This…

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