ScientificAmerican1892-05-14.jpg Illustrated World 1915-09ThumbnailsScientific American 1897-11-06Illustrated World 1915-09ThumbnailsScientific American 1897-11-06Illustrated World 1915-09ThumbnailsScientific American 1897-11-06Illustrated World 1915-09ThumbnailsScientific American 1897-11-06Illustrated World 1915-09ThumbnailsScientific American 1897-11-06
Purdue University, Lafayette, Indiana. The Engineering, Electrical, and Mechanical laboratories.



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

Restoration by: magscanner