Scientific American, Vol. 7, No. 43 (July 1852)

1852 · 4 pictures

Patents · Emery · Railroad · Iron · Claim · Scientific American · Naphtha · Propelling screw · Patent office · York city · Steam engine · Gutta percha · Sperm oil · Steam engines · Sulphuric acid · Improvement consists

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