Scientific American, Vol. 6, No. 43 (July 1851)

1851 · 8 pictures

Patents · Screw · Force · Centrifugal · Claim · Fibres · Died · Centrifugal force · Power · Force required · Female screw · Patent office · Interior box · Scientific American · Improvement consists · Making hat · Steam engines · Feet high

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