MUILEE'S IMPROVED BOPE RAILWAY, ) 1872 SCIENTIFIC AMERICAN, INC.
Patents · Iron · Air · Plow · Heated air · Water · Carbonic acid · Spoke plate · Hot air · Scientific American · Cast Iron · Centrifugal force · Tie rods · Address munn · Specific gravity
Internet Archive · Public domain (published before 1931). Free to use for anything.
