Scientific American, Vol. 36, No. 25 (June 1877)

1877 · 15 pictures

Patents · Improved · Bevel · Water · Iron · Blue glass · Jaws · Hair spring · Blake machine · Scientific American · Perforated thin · Wire gauze · Wrought iron · Bevel wheel · Revolving shaft · Upper jaws

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