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Scientific American 1897-08-07

ScientificAmerican1897-08-07.jpg Scientific American 1894-12-01ThumbnailsScientific American 1899-01-07Scientific American 1894-12-01ThumbnailsScientific American 1899-01-07Scientific American 1894-12-01ThumbnailsScientific American 1899-01-07Scientific American 1894-12-01ThumbnailsScientific American 1899-01-07Scientific American 1894-12-01ThumbnailsScientific American 1899-01-07

View of caisson and plant for new East River Bridge. the cutting edge. Sectional view of the caisson and pier. Caisson in position, with temporary cofferdam attached.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner