Scientific American, Vol. 55, No. 12 (September 1886)

1886 · 12 pictures

Patented · Patents · Munn · Valve · Scientific American · Chevreul · American supplement · Years ago · Address munn · Wooden valve · Square miles · Coal Tar · Express money · Rubber tube · Valve casings

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