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Scientific American, Vol. 90, No. 13 (March 1904) (1904)

leaf 3

An illustration from Scientific American, Vol. 90, No. 13 (March 1904), 1904, leaf 3
base of a sea wall, the concrete is filled in only flush small compared with more recent developments, ■ but its continuously successful operation has certainly more than 21 tons of pig iron for a period of ten with the river bottom (Fig. 3 B), and the sheet-iron coffer-dam is then removed and used… … is shown in operation. pipe. A head of concrete Concrete Pile, 13 Feet 2 Inches Long by 14 Inches Diameter. Dug Out Perfectly Intact After Test. PST-: Fig. 3 B Fig. 3 C. Fig-IA Various Systems of Concrete Pilim?. Preparatory Pile Removed, Leaving Hole Ready lor Concrete. CONCRETE PILING, © 1904…

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