. De re metallica. Metallurgy; Mineral industries. 334 BOOK A—Tray. B—Bowl-like depression. C—Handles. Sand mixed with particles of gold is also washed in a tray, or in a trough or bowl. The tray is open at the further end, is either hewn out of a squared trunk of a tree or made out of a thick plank to which side-boards are fixed, and is three feet long, a foot and a half wide, and three digits deep. The bottom is hollowed out into the shape of an elongated bowl whose narrow end is turned toward the head, and it has two long handles, by which it is drawn backward and forward in the rive
. De re metallica. Metallurgy; Mineral industries. 334 BOOK A—Tray. B—Bowl-like depression. C—Handles. Sand mixed with particles of gold is also washed in a tray, or in a trough or bowl. The tray is open at the further end, is either hewn out of a squared trunk of a tree or made out of a thick plank to which side-boards are fixed, and is three feet long, a foot and a half wide, and three digits deep. The bottom is hollowed out into the shape of an elongated bowl whose narrow end is turned toward the head, and it has two long handles, by which it is drawn backward and forward in the river. In this way the fine sand is washed, whether it contains particles of gold or the little black stones from which tin is made. The Italians who come to the German mountains seeking gold, in order to wash the river sand which contains gold-dust and garnets,^^ use a fairly long shallow trough hewn out of a tree, rounded within and without, open at one end and closed at the other, which they turn in the bed of the stream in such a way that the water does not dash into it, but flows in gently. They stir the sand, which they throw into it, with a wooden hoe, also rounded. To prevent the particles of gold or garnets from running out with the Ught sand, they close the end with a board similarly rounded, but lower than the sides of the trough. The concentrate? of gold or garnets which. ^^Carbunculus Carchedonius — Carthaginian carbuncle. Agricola in the Interpretatio as granat, , garnet. The German is given by. 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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