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Scientific American 1899-08-26

ScientificAmerican1899-08-26.jpg Scientific American 1891-12-05ThumbnailsScientific American 1899-12-23Scientific American 1891-12-05ThumbnailsScientific American 1899-12-23Scientific American 1891-12-05ThumbnailsScientific American 1899-12-23Scientific American 1891-12-05ThumbnailsScientific American 1899-12-23Scientific American 1891-12-05ThumbnailsScientific American 1899-12-23

The Trans-Siberian Railroad. Erection of 469-foot steel trusses for the Great Bridge across the Yenesei. Inverted bowstring truss bridge across the River Zouriazan. Surveying under difficulties, near the summit of the Khamar, Dabansk Mountains.



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

Restoration by: magscanner