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

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          <chap id="N10018">
            <p id="N19A49" type="main">
              <s id="N19A9B">
                <pb pagenum="307" xlink:href="001/01/317.jpg"/>
              num in foueam inijciat, eumque terreno puluere conſpergat: mox uaſculo in­
                <lb/>
              fundat aquam: ſcopis undique foueam uerrat: ijſdem eandem aquam
                <expan abbr="turbidã">turbidam</expan>
                <lb/>
              impellens in focum fornacis ipſum etiam uerrat: deinde puluerem miſtum
                <lb/>
              & madefactum in fornacem inijciat: iterumque ſcalarum gradibus
                <expan abbr="aſcendẽs">aſcendens</expan>
                <lb/>
              pilo in fornacem immiſſo puluerem tundat, ut focus fiat ſolidus. </s>
              <s id="N19AB3">Pilum
                <expan abbr="aũt">aut</expan>
                <lb/>
              teres ſit & longum palmos tres: inferius latum digitos quinque, ſuperius tres
                <lb/>
              & dimidium. </s>
              <s id="N19ABE">Nam in metæ ſuperius reciſæ figuram formatum eſſe debet:
                <lb/>
              Manubrium pili teres
                <expan abbr="longũ">longum</expan>
              ſit pedes quinque, craſſum digitos duos & di­
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              midium. </s>
              <s id="N19AC9">
                <expan abbr="Pilũ">Pilum</expan>
              præterea ſuperiore parte, qua in ipſo includitur
                <expan abbr="manubriũ">manubrium</expan>
              , cir
                <lb/>
              culo ferreo duos digitos lato cingatur. </s>
              <s id="N19AD5">Sunt qui eius loco utuntur duobus
                <lb/>
              pilis teretibus tam inferius quàm ſuperius latis digitos tres &
                <expan abbr="dimidiũ">dimidium</expan>
              : ſunt
                <lb/>
              qui duabus ſpathis ligneis, ſed pila ſpathis præſtant. </s>
              <s id="N19AE0">Simili modo in fo­
                <lb/>
              ueam, quæ eſt extra fornacem, inijciat puluerem compoſitum & madefa­
                <lb/>
              ctum, eumque pilo tundat: in quam ferè completam rurſus conijciat pulue­
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              rem, atque eum ſurſum uerſus fiſtulam æneam pilo protrudat, ut ad digitum
                <lb/>
              ſub eius ore focus decliuis deſcendat in foueam catini: poſſitque metallum
                <lb/>
              defluere. </s>
              <s id="N19AED">Iteret autem eadem uſque dum fouea fuerit completa: quam mox
                <lb/>
              curuata lamina ferrea, longa palmos duos & totidem digitos, lata tres di­
                <lb/>
              gitos, ſuperius hebete, inferius acuta excindat, ut catinus fiat rotundus &
                <lb/>
              latus pedem, altus palmos duos, ſi centumpondium plumbi continere de­
                <lb/>
              bet: ſin libras tantum ſeptuaginta, latus palmos tres, altus æque ac prior pal
                <lb/>
              mos duos. </s>
              <s id="N19AFA">Foueam uerò exciſam rurſus tundat pilo æneo terete, altos di­
                <lb/>
              gitos quinque, lato totidem: cui ſit manubrium teres, curuatum, craſſum ſeſ­
                <lb/>
              quidigitum: aut altero pilo æneo, formato in figuram metæ ſuperius reci­
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              ſæ: cui impoſitus ſit turbo inferius reciſus, ut media pili pars manu prehendi
                <lb/>
              poſſit: quod altum ſit digitos ſex, inferiore parte latum digitos quinque, ſupe
                <lb/>
              riore quatuor: alij eius loco uſurpant ſpátham ligneam inferius latam pal­
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              mos duos & dimidium, craſſam unum. </s>
              <s id="N19B09">Catino præparato redeat ad forna­
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              cem, & oris utrique lateri ac ſuperiori eius parti lutum ſimplex illinat. </s>
              <s id="N19B0E">In
                <expan abbr="infe­riorẽ">infe­
                  <lb/>
                riorem</expan>
              uerò ponat
                <expan abbr="lutũ">lutum</expan>
              ,
                <expan abbr="q̊d">quod</expan>
              inferius intinxit in
                <expan abbr="puluerẽ">puluerem</expan>
              à carbonib. </s>
              <s id="N19B23">
                <expan abbr="reſolutũ">reſolutum</expan>
              :
                <lb/>
              quo cauere poterit ne lutum, foci puluerem ad ſe trahens, eum uitiet: tum in
                <lb/>
              os fornacis imponat bacillum rectum et teres, longum dodrantem, craſſum
                <lb/>
              digitos tres. </s>
              <s id="N19B2F">Poſtea ad lutum apponat carbonem ita longum et latum, ut os
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              totum occludat. </s>
              <s id="N19B34">Quod ſi unus carbo tam magnus in promptu non fuerit,
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              duos in eius locum ſupponat. </s>
              <s id="N19B39">Ore ſic obſtructo tot carbones, quot capit al
                <lb/>
              ueus bracteis ligneis contextus, inijciat in fornacem. </s>
              <s id="N19B3E">Ne uerò carbo, quo oc
                <lb/>
              cluſum eſt os fornacis, tunc excidat, eum magiſter manu teneat. </s>
              <s id="N19B43">Sint autem
                <lb/>
              carbones, qui in fornacem inijciuntur, mediocres: magni enim follium fla­
                <lb/>
              tum impediunt, ne per fornacis os exire poſſit in catinum, eumque calefacere. </s>
              <s id="N19B4A">
                <lb/>
              Tum idem magiſter carboni ad os fornacis appoſito lutum illinat, atque
                <expan abbr="ba­cillũ">ba­
                  <lb/>
                cillum</expan>
              ex ipſo extrahat: ſicque fornax eſt præparata. </s>
              <s id="N19B54">At miniſter rurſus tot car­
                <lb/>
              bones maiores, quot aluei quatuor uel quinque capiunt, in fornacem inijci­
                <lb/>
              at, & eam totam compleat carbonibus: paucos etiam carbones conijciat in
                <lb/>
              catinum, atque ſuperinijciat prunas ut calefiat. </s>
              <s id="N19B5D">Ne uerò ignis flamma per os
                <lb/>
              fornacis ingreſſa carbones incendat, id ipſum luto oblinat, uel claudat ollæ </s>
            </p>
          </chap>
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