Casati, Paolo, De igne dissertationes physicae, 1686

Table of figures

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            <s xml:id="echoid-s9991" xml:space="preserve">
              <pb o="327" file="0339" n="339" rhead="De Aquis Fortibus."/>
            temporis decurſu abeunt in virides lapillos Vitriolo ſimillimos,
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            purgantes quoſuis humores noxios, etiamſi exiguâ quantitate
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            exhibeantur. </s>
            <s xml:id="echoid-s9992" xml:space="preserve">Ex quo inferendum videtur Oleum Tartari non com-
              <lb/>
            plecti particulas auri, quibus limonum ſuccus coniunctus eſt,
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            ideoque illas non deſcendere, vtpote Sale Tartari non prægrauatas.
              <lb/>
            </s>
            <s xml:id="echoid-s9993" xml:space="preserve">Cœterùm puluis ſubſidens, pręcipitatione ſenſim factâ, licèt ſæ-
              <lb/>
            piùs aquâ calidâ eluatur, & </s>
            <s xml:id="echoid-s9994" xml:space="preserve">exſiccetur, auri diſſoluti pondus gra-
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            uitate ſuperat; </s>
            <s xml:id="echoid-s9995" xml:space="preserve">id quod fieri non poteſt, niſi ſalis grauitas fuerit ad-
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            dita. </s>
            <s xml:id="echoid-s9996" xml:space="preserve">Quando verò cuprum in aquâ forti ſolutum præcipitatur af-
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            fuſâ aquâ tepidâ, hæc ſales aquæ fortis ita diluit, vt liquoris to-
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            tius moles fiat ſecundùm ſpeciem notabiliter minûs grauis,
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            quàm particulę cupri ſalibus iunctę; </s>
            <s xml:id="echoid-s9997" xml:space="preserve">quę propterea deſcendunt,
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            & </s>
            <s xml:id="echoid-s9998" xml:space="preserve">iniecto ferro aut argento adhæret calx cupri, ob affinitatem,
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            quam cuprum habet cum duobus illis metallis, inter quæ quodam-
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            modo medium cenſeri poteſt.</s>
            <s xml:id="echoid-s9999" xml:space="preserve"/>
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            <s xml:id="echoid-s10000" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s10001" xml:space="preserve">Sed & </s>
            <s xml:id="echoid-s10002" xml:space="preserve">hoc fortaſſe addi poſſet, quod minimæ diſſoluti
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            metalli particulæ per aquam fortem diſperſę ob ſuam exilitatem
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            non valeant aquam ipſam diuidere, vt deſcendant, ſed tùm inna-
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            to impetu, tùm igniculorum ſeu ſalium impulſu, agitatæ tan-
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            tùm in eâ vagentur; </s>
            <s xml:id="echoid-s10003" xml:space="preserve">quemadmodum puluiſculos terreos in aëre
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            volitantes atque agitatos indicat Solisradius per rimam ingrediens
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            in obſcurum conclaue: </s>
            <s xml:id="echoid-s10004" xml:space="preserve">inſtillatum autem Tartari Oleum plures
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            huiuſmodi minimas particulas apprehendens coagmenter adeò, vt
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            moles quædam maior componatur, quę ſuâ grauitate diuidens
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            aquam valeat fundum petere, ſicut plures puluiſculi in vnum gra-
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            num coagmentati deſcendunt in aëre. </s>
            <s xml:id="echoid-s10005" xml:space="preserve">Et hæc quidem, quando
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            metalli calx præcipitatur; </s>
            <s xml:id="echoid-s10006" xml:space="preserve">nam ſi diſſoluto metallo per alembicum
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            aqua in vaporem abeat, vt ſæpè fit, nulla eſt difficultas, cur metal-
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            lum aſſumptâ calcis ſpecie in vaſis fundo ſubſidat diſcedente in va-
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            porem liquore, ac relictis ſalibus metallo adhærentibus.</s>
            <s xml:id="echoid-s10007" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s10008" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s10009" xml:space="preserve">Expeditiùs multo, quàm per aquam fortem, ſeparari
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            aurum ab argento aliqui putant ope ſulphuris: </s>
            <s xml:id="echoid-s10010" xml:space="preserve">nam vt ab auratis
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            vaſis aurum detrahant, comminutum ſulphur ijs inſpergunt, at-
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            que accendunt, deinde ſupra catinum materiam decutiunt; </s>
            <s xml:id="echoid-s10011" xml:space="preserve">cum
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            ſulphure enim aurum cadit, quod deinde purum habetur abſum-
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            pto ſulphure. </s>
            <s xml:id="echoid-s10012" xml:space="preserve">Alij Sulphuri duplum Salis Ammoniaci addunt,
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            quorum minutiſſimum puluerem inſpergunt vaſis parti auratæ oleo
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            oblitæ, & </s>
            <s xml:id="echoid-s10013" xml:space="preserve">vas igni exponunt, ex quo optimè calefacto </s>
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