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Title: De Re Metallica, Ventilation of Mines
Caption: Woodcut from Georgius Agricola's book De Re Metallica (published in 1556), a treatise on mining and extractive metallurgy. This woodcut illustrates three methods of forcing oxygen into mine shafts, two of which are horse-driven and the third is operated by a human. Georgius Agricola (1494-1555) was a German scholar and scientist. Known as the father of mineralogy .
Credit: Album / NLM/Science Source
Image size: 2472 × 3993 px | 28.2 MB
Print size: 20.9 × 33.8 cm | 973.2 × 1572.0 in (300 dpi)