Glass manufacturing, 1760. Making crown glass by blowing (left) and plate glass by casting (right). Glass workers were susceptible to cataracts caused by the glare of the furnace. From The Universal Magazine, London, 1760. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3688 px × 2843 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |