Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556

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          <chap id="N10018">
            <pb pagenum="303" xlink:href="001/01/313.jpg"/>
            <figure id="id.001.01.313.1.jpg" xlink:href="001/01/313/1.jpg"/>
            <p id="N19948" type="main">
              <s id="N1994A">Hæc hactenus pluribus uerbis: quæ tamen non intempeſtiue hoc loco
                <lb/>
              perſecutus uideri poſſum, quod ſine his omnibus metallorum conflatura,
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              ad quam nunc aggrediar, fieri non poſſit. </s>
              <s id="N19951">Venarum autem auri, argenti, æ­
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              ris, plumbi nigri in fornacibus excoquendarum quatuor ſunt rationes: una
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              auri uel argenti diuitum, altera mediocrium, tertia pauperum, quarta
                <expan abbr="earũ">earum</expan>
              ,
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              quæ æs uel plumbum in ſe continent: ſiue precioſum metallum in eis inſit,
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              ſiue illo careant. </s>
              <s id="N19960">Prima uenarum excoctio perficitur in fornace, cuius os ad
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              tempus clauſum eſt: reliquæ tres in fornacibus,
                <expan abbr="quarũ">quarum</expan>
              os ſemper patet. </s>
              <s id="N19969">Sed
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              primò dicam quomodo fornaces ad excoquendas uenas ſint præparandæ:
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              & de prima excoquendi ratione. </s>
              <s id="N19970">Puluis quidem è quo focus & catinus con
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              fici ſolent, fit ex carbonibus & terra: carbones pilis ſubiecti
                <expan abbr="cõtunduntur">contunduntur</expan>
              in
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              capſa: quæ priore parte ſuperius occluditur tabella, inferius ex eius parte pa
                <lb/>
              tente carbones in puluerem contriti excidunt. </s>
              <s id="N1997D">Pila uerò non ſunt præferra­
                <lb/>
              ta, ſed lignea prorſus. </s>
              <s id="N19982">Attamen ima parte lato circulo ferreo cinguntur.</s>
            </p>
            <p id="N19985" type="caption">
              <s id="N19987">C
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              arbones
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              A. C
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              apſa
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              B. P
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              ila
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              C.</s>
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          </chap>
        </body>
      </text>
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