Stamp for breaking copper cupellation cakes for further refining, 1556. Powered by a water wheel through a drive shaft. From De re metallica by Georgius Agricola. (Basel, 1556). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3367 px × 3114 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |