Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="caption">
              <s>
                <pb pagenum="419"/>
              exceeds the price of the latter by a gold coin
                <emph type="sup"/>
              54
                <emph.end type="sup"/>
              . </s>
              <s>These lattice-like bars are
                <lb/>
              lighter than the others, and when five of them are pounded and amalgamated
                <lb/>
              with a wooden mallet, a mass is made which is stamped with an iron die.
                <lb/>
              </s>
              <s>There are some who do not make a dipping-pot on the floor for the tin to run
                <lb/>
              into, but in the hearth itself; out of this the master, having removed the
                <lb/>
              charcoal, ladles the tin and pours it over the copper-plate. </s>
              <s>The dross which
                <lb/>
              adheres to the wood and the charcoal, having been collected, is re-smelted
                <lb/>
              in the furnace.</s>
            </p>
            <figure number="229"/>
            <p type="caption">
              <s>A—FURNACE. B—BELLOWS. C—IRON DISC. D—NOZZLE. E—WOODEN DISC.
                <lb/>
              F—BLOW-HOLE. G—HANDLE. H—HAFT. I—HOOPS. K—MASSES OF TIN.</s>
            </p>
            <p type="main">
              <s>Some of the Lusitanians melt tin from tin-stone in small furnaces. </s>
              <s>They
                <lb/>
              use round bellows made of leather, of which the fore end is a round iron disc
                <lb/>
              and the rear end a disc of wood; in a hole in the former is fixed the nozzle,
                <lb/>
              in the middle of the latter the blow-hole. </s>
              <s>Above this is the handle or haft,
                <lb/>
              which draws open the round bellows and lets in the air, or compresses it and
                <lb/>
              drives the air out. </s>
              <s>Between the discs are several iron hoops to which the
                <lb/>
              leather is fastened, making such folds as are to be seen in paper lanterns that </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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