Rensselaer Republican, Volume 20, Number 4, Rensselaer, Jasper County, 29 September 1887 — Fifteen Great Inventions. [ARTICLE]

Fifteen Great Inventions.

The fifteen great American inventions of world-wide addition are: 1. The cotton gin. 2. The planing machine. 3. The grass mower and reaper. 4. “The rotary printing * - 5. Navigation by steam. « 6. The hot-air engine. 7. The sewing machine. 8. The india rubber industry. 9. The machine manufacture of horse slices. 10. The sand blast for carving. 11. The gauge lathe. 12. The grain elevator. IS: Artificial ice making on a large scale. , 14. The electrical magnet and its practical application. 15. The^elephone.