10 ore 57 min, 20 sett 1827 anni - Robert McCormick was unsuccessful in his efforts to invent an efficient mechanical reaper but Cyrus, realizing the importance of a mechanical reaper, continued the quest using his father's basic design
Aggiunto al nastro di tempo:
Data:
10 ore 57 min, 20 sett 1827 anni
Adesso
~ 196 years ago
