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. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Taille de l’image : | 3564 px × 4899 px |
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Property Release : | Non requis |
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