12 Jul 1890 Jahr - 1890
Beschreibung:
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.Zugefügt zum Band der Zeit:
Datum:
12 Jul 1890 Jahr
Jetzt
~ 133 years ago
