ScientificAmerican1899-08-26.jpg Scientific American 1899-08-19ThumbnailsScientific American 1899-09-02Scientific American 1899-08-19ThumbnailsScientific American 1899-09-02Scientific American 1899-08-19ThumbnailsScientific American 1899-09-02Scientific American 1899-08-19ThumbnailsScientific American 1899-09-02Scientific American 1899-08-19ThumbnailsScientific American 1899-09-02

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