. De re metallica. Metallurgy; Mineral industries. BOOK X. 489 dipped into the water ; this operation of beating and cleansing is repeated until it is all clean. Afterward he places it on an iron grate or tripod ; the tripod is a palm and two digits high, one and a half digits wide, and its span is two palms wide ; then he puts burning charcoal under the tripod or grate, in order again to dry the silver that was moistened by the water. Finally, the Royal Inspector^^ in the employment of the King or Prince, or the owner, la\'s the silver on a block of wood, and with an engraver's chisel he cuts
. De re metallica. Metallurgy; Mineral industries. BOOK X. 489 dipped into the water ; this operation of beating and cleansing is repeated until it is all clean. Afterward he places it on an iron grate or tripod ; the tripod is a palm and two digits high, one and a half digits wide, and its span is two palms wide ; then he puts burning charcoal under the tripod or grate, in order again to dry the silver that was moistened by the water. Finally, the Royal Inspector^^ in the employment of the King or Prince, or the owner, la\'s the silver on a block of wood, and with an engraver's chisel he cuts out two. A —Muffle. B—Its little windows. C—Its little bridge. D—Bricks. E—Iron- door. F—Its little window. G—Bellows. H—Hammer-chisel. I—Iron ring WHICH SOME USE INSTEAD OF THE TEST. K—PeSTLE WITH WHICH THE ASHES PLACED IN THE RING ARE POUNDED. small pieces, one from the under and the other from the upper side. These are tested b}' fire, in order to ascertain whether the silver is thoroughly refined or not, and at what price it should be sold to the merchants. Finally he impresses upon it the seal of the King or the Prince or the owner, and, near the same, the amount of the weight. There are some who refine silver in tests placed under iron or earthen- ware muffles. They use a furnace, on the hearth of which they place the test containing the fragments of silver, and they place the muffle over it ; the ^'Pracfectti!^ Kcf^ 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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