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Scientific American, Vol. 54, No. 2 (1886) (1886)
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e founded upon rock, the PORTING COLUMNS AND MOVABLE PLATFORX. are diametrically opposite, 15 inches apart, and con- cylinders are sunk to depths varying from 20 to 30 tain apertures 6 inches apart. Between these two feet below the bed of the river, so as to preserve them|further with the… … Fig. 2—CONSTRUCTION OF PIERS OF THE NEW TAY VIADUCT. © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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