1 janv. 1831 - Reaper
Description:
For thousands of years, harvesting crops was very labour-intensive. That changed with Cyrus McCormick’s invention of the mechanical reaper. The earliest reaper had some mechanical problems, but later versions spread throughout the world.Ajouté au bande de temps:
Date:
1 janv. 1831
Maintenaint
~ Il y a 194 ans