12 jul 1890 año - 1890
Descripción:
The combine harvester, which combined the cutting and threshing of grain crops, came into widespread use in California. It gradually spread to other western states. The combine reduced the amount of labor needed to harvest one hectare of wheat from 37 to 6.25 man-hours.Añadido al timeline:
fecha:
12 jul 1890 año
Ahora mismo
~ 133 years ago
