. De re metallica. Metallurgy; Mineral industries. BOOK V. 103 divide it obliquely ; howcviT, my discourse is now concerned mainly with vena pro/ioulu, but most of all with the metallic material which it Three vertical shafts, of which the first, A, does not reach the tunnel ; the SECOND, B, reaches THE TUNNEL ; TO THE THIRD, C, THE TUNNEL HAS NOT YET BEEN DRIVEN. D— 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 origin


. De re metallica. Metallurgy; Mineral industries. BOOK V. 103 divide it obliquely ; howcviT, my discourse is now concerned mainly with vena pro/ioulu, but most of all with the metallic material which it Three vertical shafts, of which the first, A, does not reach the tunnel ; the SECOND, B, reaches THE TUNNEL ; TO THE THIRD, C, THE TUNNEL HAS NOT YET BEEN DRIVEN. D— 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