Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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            <figure number="296"/>
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              <s>A—POTS HAVING SPOUTS. B—POTS WITHOUT SPOUTS. C—LIDS.
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              which hold two of these pots, are divided into three parts; the lowest part is a
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              foot high, and has an opening at the front for the draught; the top of this is
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              covered with iron plates, which are perforated near the edges, and these
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              support iron rods, upon which the firewood is placed. </s>
              <s>The middle part of the
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              furnace is one and a half feet high, and has a mouth in front, so that the wood
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              may be inserted; the top of this has rods, upon which the bottom of the pots
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              stand. </s>
              <s>The upper part is about two feet high, and the pots are also two feet
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              high and one digit thick; these have below their mouths a long, slender spout.
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              </s>
              <s>In order that the mouth of the pot may be covered, an earthenware lid is
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              made which fits into it. </s>
              <s>For every two of these pots there must be one pot </s>
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