Scientific American, Vol. 6, No. 13 (March 1862)

1862 · 5 pictures

Patents · Combination · Improvement · Claim · Iron · Scientific American · Munn · Sweat band · Purposes set · Purpose set · Steam ram · Address munn · Washing machine · American citizens · Patent office · Peat bogs

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