Scientific American, Vol. 21, No. 1 (July 1869)

1869 · 8 pictures

Patents · Iron · Cornish · Apparatus · Consists · Machine · Antedated june · Water · Water works · Water power · Scientific American · Improved arrangement · Cornish engine · Wrought iron · Natural power · Pumping engines · Steam cylinder

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