Scientific American, Vol. 12, No. 48 (August 1857)

1857 · 8 pictures

Claim · Patents · Tor · Purpose · Planing · Manner · Patent office · Peat · Gear wheel · Claim broadly · Scientific American · Purposes set · Purpose set · Particulars address · Upward draft · Compressed air · Vertical shaft

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