Scientific American, Vol. 32, No. 25 (June 1875)

1875 · 15 pictures

Patents · Improved · Iron · Inches · Consists · Emery · Scientific American · Address · Gear wheels · Emery cloth · Gun cotton · Postage included · Wood working · Lever arm · Trade catalogs · Solar day · Cubic feet

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