. De re metallica. Metallurgy; Mineral industries. BOOK IX 377. P 'â -ir'-'i"'^ffr AâFurnace. BâLadder. CâBoard fixed to it. DâHoe. EâFive- toothed RAKE. FâWooden spatula. GâBroom. HâRammer. IâRammer, same DIAMETER. KâTwO WOODEN SPATULAS. LâCURVED BLADE. MâBrONZE RAMMER. NâAnother bronze rammer. OâWide spatula. PâRod. QâWicker basket. RâTwo buckets of leather in which water is carried for putting out a con- flagration, should the officina catch fire. SâBrass pump with which the water is squirted out. TâTwo hooks. VâRake. XâWorkman beating the clay Vv^ith AN iron implement. two and a half
. De re metallica. Metallurgy; Mineral industries. BOOK IX 377. P 'â -ir'-'i"'^ffr AâFurnace. BâLadder. CâBoard fixed to it. DâHoe. EâFive- toothed RAKE. FâWooden spatula. GâBroom. HâRammer. IâRammer, same DIAMETER. KâTwO WOODEN SPATULAS. LâCURVED BLADE. MâBrONZE RAMMER. NâAnother bronze rammer. OâWide spatula. PâRod. QâWicker basket. RâTwo buckets of leather in which water is carried for putting out a con- flagration, should the officina catch fire. SâBrass pump with which the water is squirted out. TâTwo hooks. VâRake. XâWorkman beating the clay Vv^ith AN iron implement. two and a half digits thick ; the upper part of the rammer, where the handle is inserted, is bound with an iron band two digits wide. There are some who, instead, use two rounded rammers three and a half digits in diameter, the same at the bottom as at the top. Some people prefer two wooden spatulas, or a rammer spatula. In a similar manner, mixed and moistened powder is thrown and pounded with a rammer in the forehearth pit, which is outside the furnace. When this is nearly completed, powder is again put in, and pushed with the rammer up toward the protruding copper pipe, so that from a point a digit under the mouth of the copper pipe the hearth slopes down into the crucible of the fore- hearth, ^^ and the metal can run doviTi. The same is repeated until the â ^^What are known in English as " crucible," " furnace well," " forehearth," " dipping- pot," "tapping-pot," "receiving-pot," etc., are in the text all catinus, , crucible. For easier reading, however, we have assigned the names indicated in the 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 Publicat
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