%mt£i£m. a¥9 in vowivjlx m sGEsnxmc kbgbasicas a: HI ADYOCJLHB M Oil [NUMBER 47. NEW-YORK, AUGUST 7, 1852. VOLUME VII.] PATENT CAST-IRON CAISSONS. Scientific American, … fic. The railroad proposed by Benton, while This improvement is the invention of James have tie rods, E, screwed into the flaunches, are to be filled with masonry in cases where he was Senator, is also lost sight of at present, P. Duffey, of the city of Philadelphia, and securing the plates, C, and…
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