Scientific American, Vol. 67, No. 6 (August 1892)

1892 · 16 pictures

Munn · Patents · Inch · Feet · Canyon · Scientific American · Friction · Inch opening · Frictional resistance · Grand Canyon · Pound weight · Master car · Metallic ties · Bell crank · Horse power · Cubic feet

Internet Archive · Public domain (published before 1931) · More from this library