ScientificAmerican1892-05-21.jpg ThumbnailsScientific American 1920-09-11ThumbnailsScientific American 1920-09-11ThumbnailsScientific American 1920-09-11ThumbnailsScientific American 1920-09-11ThumbnailsScientific American 1920-09-11
Iron and steel in large buildings. The Palace Hotel, Denver, Colorado.



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

Restoration by: magscanner