ScientificAmerican1920-08-28.jpg Scientific American 1920-08-21ThumbnailsScientific American 1920-09-04Scientific American 1920-08-21ThumbnailsScientific American 1920-09-04Scientific American 1920-08-21ThumbnailsScientific American 1920-09-04Scientific American 1920-08-21ThumbnailsScientific American 1920-09-04

Speeding up coal delivery with the motor truck.



Artist: Richard Rauh

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

Restoration by: magscanner