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Frankenberg, Abraham von, 1593-1652; Rebentrost, David, 1614-1703; Keiling, Georg, ca. 17. Jh. · 1718

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△ Sulfur/Fire, so that the water also follows; keep that separate as well, and draw it over dry, down to the barren earth, so that the Corpus body remains lying at the bottom of the flask, completely dead and barren, a true poison. This black, dead earth nevertheless has the male seed, white dove, and red ♁ Antimony/Earth enclosed and hidden within it. Or take the Mineram ore when it has stood long enough in the air and digestion; put it into a retort, lute a large receiver on firmly, and drive it through △ fire of suppression in the furnace—the sketch and description of which I will teach you later. Initially [give] very gentle heat to the Spiritum spirit, so that after 3 hours it barely begins to drip. Down in the furnace you must not make any △ fire, but only above on the retort, and very gently. When it no longer wants to drip, give somewhat stronger fire, so that it rises into the receiver like a thin white smoke. But you must always give stronger fire above, and only a little below in the furnace, otherwise white flores flowers/sublimate or a ♁ Antimony will settle in the neck of the retort, into which the spirit draws and settles, so that it cannot pass, and you will get little spirit. When you now have enough spirit, from 8 or 10 pounds about one and a half measures or pints, and no more smoke or vapor comes, let the △ fire go out and let everything cool down. Take the Mineram ore out of the retort, lay it back in the open air, and let it stand for a time, so that it is not rained upon and no sun shines on it. Thereafter, put it back into a retort and drive [it] as before...