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Scientific American, Vol. 7, No. 31 (April 1852)
1852 · 4 pictures
Patents · Railroad · Steamboat · Tubes · Claim · Chimney · Square inches · Lime · Carbonic acid · Steam engines · Scientific American · Rotary motion · Ken measures · Patent office · Water space · York city · Square root
Internet Archive · Public domain (published before 1931) · More from this library