60.2 MB (10.9 MB compressed)
5447 x 3862 pixels
46.2 x 32.8 cm ⏐ 18.2 x 12.9 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Extracting sulphur. Century artwork of workers shovelling sulphur ore into kilns. Heating the ore melts the sulphur, which is collected in pools. Image from 'La Science Illustree' Louis Figuier (1895).
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