The history books show that wind-powered water pumps were employed as early as 200 B.C., while wind-powered mills for grinding grain were first referenced as early as 644 A.D. in Persia.

This invention combines in the simplest possible manner in one machine, the four well-known functions necessary to cfl'eetually clean wheat of all foreign substances, and render it fit for ...

ABC Rural Crop farmers import German machine to solve grain stubble problems ABC Rural /By Laurissa Smith PostedTue 15 Sep 2015 at 2:17am, updatedTue 15 Sep 2015 at 2:21am Riverina grain farmers ...