De Re Metallica
Illustration showing hammering and crushing metal ore to further separate valuable pieces for smelting, from 1912 English translation of Georgius Agricola's DE RE METALLICA (1556) by Herbert Clark Hoover and Lou Henry Hoover.
Date taken: | 1901 |
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Size: | 1227 x 1280 pixels (17.0 x 17.8 inches) |
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