Scientific American, Vol. 5, No. 29 (April 1850)

1850 · 4 pictures

Patents · Claim · Inches · Ment · Pulp magazines · Stove pipe · Stove · Long elastic · Granite blocks · Scientific American · Square inches · Purpose set · Original inventor · Patent office · Reciprocating knife · Fusible plug

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