Home / Tag stone /

Scientific American 1904-11-05

Scientific American 1904-11-05.jpg ThumbnailsZip-Zip Slingshots -1923AThumbnailsZip-Zip Slingshots -1923AThumbnailsZip-Zip Slingshots -1923AThumbnailsZip-Zip Slingshots -1923AThumbnailsZip-Zip Slingshots -1923A

The Carrara of America. Fifty-ton electric crane used for loading cars. View of quarry, showing the method of supporting the sides by leaving buttresses of marble in the cut.



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

Restoration by: magscanner