. De re metallica. Metallurgy; Mineral industries. A—Drum. B—Box-shaped casing. C—Blow-hole. D—Second hole. li -Conduit. F—Axle. G—Lever of axle. H— Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Agricola, Georg, 1494-1555; Hoover, Herbert, 1874-1964. New York, Dover Publications

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Keywords: ., bookauthoragricolageorg14941555, bookcentury1900, booksubjectmin