Anthracite coal industry. 19th-century artwork of workers sorting through mining deposits to extract anthracite,a high-carbon content and 'clean' form of coal. Artwork from the 15th volume (first period of 1895) of the French popular science weekly 'La Science Illustree' | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 5163 px × 3732 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |