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Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress (1901)

Boyd, James Penny, 1836-1910 · Philadelphia, A. J. Holman & co · leaf 374

An illustration from Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress, 1901, leaf 374
d several years before. The idea was essentially thepresent plan, but the process has been improved and enlarged. The requiredpressure is substantially that due to the weight of a column of water as highas the depth of the base of the caisson below the water surface. In the caseof the St. Louis… … s-^al FORMAL OPENING OF SUEZ CANAL.Procession of Ships in Canal, November 16, 1869. ous to those working in it. The men literally live fast. Great exertion iseasily made, but is followed by corresponding exhaustion after leaving thecaisson. Those having heart disease, or who have been debilitated…

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