Democratic Sentinel, Volume 5, Number 15, Rensselaer, Jasper County, 20 May 1881 — American Inventions. [ARTICLE]

American Inventions.

The sixteen American inventions of ,vord-wide adoption are the cotton gin, the planting machine, the telegraph, the grass mower and reaper, the rotary printing press, steam navigation, the hot-air engine, the sewing machine, the India rubber industry, the machine manufacture of horse shoes, the sand blast for carving, the gauge lathe, the grain elevator, artificial icemaking on a large scale, the electric magnet and its practical application, the telephone.