Scientific American, Vol. 37, No. 12 (September 1877)

1877 · 11 pictures

Improved · Patents · Consists · Iron · Pivoted · Upper · Scientific American · Attached · Wrought iron · Woodruff scientific · Loose piston · Compressed air · Side bars · Address munn · Working piston · Full directions · Scientific expedition

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