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Scientific American 1901-09-28

ScientificAmerican1901-09-28.jpg Scientific American 1901-09-21ThumbnailsScientific American 1901-10-12Scientific American 1901-09-21ThumbnailsScientific American 1901-10-12Scientific American 1901-09-21ThumbnailsScientific American 1901-10-12Scientific American 1901-09-21ThumbnailsScientific American 1901-10-12Scientific American 1901-09-21ThumbnailsScientific American 1901-10-12

Rolling lift bridges. Van Buren Street bridge, Chicago River. Single-track across the Cuyahoga River at Cleveland. South Terminal Station, Boston. Electrically operated highway bridge across the Chicago River at North Halsted Street.



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

Restoration by: magscanner