Scientific American, Vol. 46, No. 20 (May 1882)

1882 · 8 pictures

Upper · Secured · Patents · Attached · Patented · Formed · Scientific American · Iron · Salicylic acid · Trade catalogs · Sewing machine · Accompanying engraving · Side bars · Lower ends · Cast Iron · Horse power · Cubic feet

Internet Archive · Public domain (published before 1931)