ScientificAmerican1912-06-01.jpg Scientific American 1912-05-25ThumbnailsScientific American 1912-06-08Scientific American 1912-05-25ThumbnailsScientific American 1912-06-08Scientific American 1912-05-25ThumbnailsScientific American 1912-06-08Scientific American 1912-05-25ThumbnailsScientific American 1912-06-08Scientific American 1912-05-25ThumbnailsScientific American 1912-06-08

Devouring a hundred tons of mud a minute. Dredge with rake-like suction head built for Service on the Southwest Pass of the Mississippi delta.



Artist: C. McKnight-Smith.

Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner