Scientific American, Vol. 3, No. 12 (September 1860)

1860 · 4 pictures

Claim · Patents · Manner · Purpose · Improvement · Combination · Iron · Provement · Steam engine · Patent office · Scientific American · Low pressure · Purposes set · Balance plate · Letters patent · Carbonic acid · Purpose set · American patent

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