ScientificAmerican1881-01-08.jpg Scientific American 1877-09-22ThumbnailsScientific American 1877-09-22ThumbnailsScientific American 1877-09-22ThumbnailsScientific American 1877-09-22ThumbnailsScientific American 1877-09-22Thumbnails
The manufacture of bolts and nuts -- Russell, Burdsall and Ward, Port Chester, New York.



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

Restoration by: magscanner