Scientific American, Vol. 20, No. 2 (January 1869)

1869 · 6 pictures

Patents · Assignor · Teeth · Iron · Water · Twenty days · Improved · East river · Zodiacal light · Patent granted · Scientific American · Office twenty · Eye teeth · Polar sea · Centrifugal force · Steam engine

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