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

Table of figures

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              rum, reponantur, in eis enim paululum argenti ineſt: qua de re in ampullam
                <lb/>
              infuſæ coquantur: ſed guttas prius deſtillantes altera ampulla recipiat, alte­
                <lb/>
              ra eas quæ poſterius
                <expan abbr="excidũt">excidunt</expan>
              , cùm ſcilicet operculum rubeſcere incœperit:
                <lb/>
              hæc aqua ad experiendum aurum utilis eſt, illa ad abluendum: prior etiam
                <lb/>
              rebus, ex quibus aqua illa ualens conficitur, affundi poteſt. </s>
              <s id="N1B727">Verum aqua
                <expan abbr="cũ">cum</expan>
                <lb/>
              argento permiſta, quæ primò deſtillauit, in ampullam inferius latam infuſa
                <lb/>
              eodem modo coquatur, ut ab argento ſeparari poſſit: cuius ſuperiori extre­
                <lb/>
              mitati item
                <expan abbr="lutũ">lutum</expan>
              illinatur, & tegatur operculo. </s>
              <s id="N1B738">Quod ſi aqua adeo multa fue
                <lb/>
              rit ut feratur ad ſuperiora, uel inijciatur paſtillus unus & alter ex cis qui con
                <lb/>
              ſtant ex ſapone, in tenues particulas ſecto, & arida uini fece in puluerem
                <expan abbr="cõ­trita">con­
                  <lb/>
                trita</expan>
              , atque ſimul in olla leni igni coctis &
                <expan abbr="cõmiſtis">commiſtis</expan>
              : uel argentum
                <expan abbr="cõmouea­tur">commouea­
                  <lb/>
                tur</expan>
              uirgula è corylo deſecta & inferius diffiſſa, utroque modo aqua efferue­
                <lb/>
              ſcit & paulo poſt rurſus reſidet. </s>
              <s id="N1B751">Sed cùm iam halitus ualentiſſimi apparent,
                <lb/>
              aqua olei ſpeciem offert, operculum rubeſcit: ne uerò halitus expirent, am­
                <lb/>
              pulla & operculum ea parte, qua eorum oræ inter ſe
                <expan abbr="cõmittuntur">committuntur</expan>
              , luto pror
                <lb/>
              ſus obducantur, & aqua continenter acriore igni coquatur: tot demum car­
                <lb/>
              bones in fornacem imponantur, quot ardentes
                <expan abbr="catinũ">catinum</expan>
              attingant: ſed quàm
                <lb/>
              primum omnis aqua deſtillauerit, & ſolum
                <expan abbr="argẽtum">argentum</expan>
              ignis calore ſiccatum,
                <lb/>
              in ampulla remanſerit, ea eximatur: decutiatur
                <expan abbr="argẽtum">argentum</expan>
              : inijciatur in
                <expan abbr="catinũ">catinum</expan>
                <lb/>
              fictilem: coquatur donec liqueſcat: filo ferreo inferius recuruato extrahatur
                <lb/>
              uitrum liquatum, ex argento conficiatur panis: at uitrum ex catino
                <expan abbr="extractũ">extractum</expan>
                <lb/>
              teratur in puluerem: addatur ſpuma argenti, sex uini ſicca, uitri
                <expan abbr="recrementũ">recrementum</expan>
              ,
                <lb/>
              halinitrum, & in catino fictili coquatur: maſſula, quæ reſidebit, in
                <expan abbr="catinũ">catinum</expan>
              ci­
                <lb/>
              nereum translata recoquatur. </s>
              <s id="N1B78A">Sed ſi argentum non ſatis ignis calore fuerit
                <lb/>
              ſiccatum, id, quod ſuprema ampullæ pars continet, nigrum uidetur: quod li
                <lb/>
              quatum comburitur. </s>
              <s id="N1B791">Quocirca ampulla luto, quo eſt inferius obducta, abla
                <lb/>
              to reponatur in catinum, & recoquatur uſque ad eum finem, dum nullus ni­
                <lb/>
              gror appareat. </s>
              <s id="N1B798">Quinetiam ſi priori aquæ altera, item cum
                <expan abbr="argẽto">argento</expan>
              permiſta,
                <lb/>
              affundenda fuerit, affundatur priuſquam halitus ualentiſſimi appareant, a­
                <lb/>
              qua olei ſpeciem offerat, operculum rubeſcat: nam qui poſtea
                <expan abbr="aquã">aquam</expan>
              affude­
                <lb/>
              rit, damnum faciet: quod aqua ſoleat exilire,
                <expan abbr="uitrũ">uitrum</expan>
              diſſilire. </s>
              <s id="N1B7AD">Quod ſi ampul­
                <lb/>
              la, dum aurum ab argento, aut ab hoc aqua ſecernitur, diſſiliat, & aquam uel
                <lb/>
              arena, uel lutum, uel lateres
                <expan abbr="cõbibant">combibant</expan>
              , ſine ulla mora prunis ex fornace exem
                <lb/>
              ptis ignis reſtinguatur: arena & lateres
                <expan abbr="cõminuti">comminuti</expan>
              conijciantur in ahenum, et
                <lb/>
              eis affundatur calida, atque duodecim horarum ſpacio
                <expan abbr="reponãtur">reponantur</expan>
              : pòſt aquæ
                <lb/>
              in linteum, lini xylini contextu factum, infuſa coletur: id, quia
                <expan abbr="cõtinet">continet</expan>
              argen
                <lb/>
              tum, ſolis uel ignis calore ſiccatum conijciatur in catinum fictilem, & coqua
                <lb/>
              tur, donec
                <expan abbr="argẽtum">argentum</expan>
              liqueſcat: quod effundatur in canaliculum ferreum. </s>
              <s id="N1B7D2">A­
                <lb/>
              qua uerò colata infundatur in ampullam, & ab argento, cuius exigua quæ­
                <lb/>
              dam portio in ea ineſt, ſeparetur: ſed arena cum ſpuma
                <expan abbr="argẽti">argenti</expan>
              , uitri recremen
                <lb/>
              to, arida uini fece, halinitro, ſale miſceatur, & in catino fictili coquatur: quo
                <lb/>
              modo maſſula in fundo reſidebit: quæ in catinum cinereum translata reco­
                <lb/>
              quatur, ut plumbum ab argento ſeparetur: ſed
                <expan abbr="lutũ">lutum</expan>
              adiecto plumbo coqua­
                <lb/>
              tur in catino fictili, deinde recoquatur in cinereo. </s>
              <s id="N1B7E9">At argentum ſeparamus
                <lb/>
              ab auto eadem ratione, qua id ipſum experimur: etenim primò iccirco atte­</s>
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