Wheeled plough with four coulters,designed by the English agriculturalist,Jethro Tull (1674-1741). Engraving from ''Cyclopedia'' by Ephraim Chambers,London,1786 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 5100 px × 1921 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |