Shovelling salt at South Durham Salt Works, 1884. Top: Shovelling salt from pans in which brine pumped up from borehole was evaporated. Bottom: Stoking the furnace heating the evaporating tanks. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3564 px × 4899 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |