Washing for tin. After digging out a substantial amount,miners would alter course of stream,washing away light material,leaving tin-bearing ore. De re metallica,Basle,1556. Woodcut | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 3248 px × 5379 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |