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Scientific American, Vol. 12, No. 30 (1857) (1857)

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An illustration from Scientific American, Vol. 12, No. 30 (1857), 1857, leaf 0
g in this project neither pier buildings, but also the expense of the various construc- ance, the first is due to the ice in winter, the He suggests an iron tube of the form re- nor excavations, &c., &c., would be necessary, second to fogs and thick weather, snow storms, ipresented by fig. 1,@ a,… … is wider and deeper than a Jittle further up, time to an individual is multiplied by the where its breadth is reduced to one third, and number on the beat, and also by the perhaps its depth at low water to only thirty-seven 6 6, the tube would take an ascending portion, 8 6, sunk in the deepest…

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