Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s3874" xml:space="preserve">
              <pb o="127" file="0139" n="139" rhead="De Calore."/>
            contingat rarefactio, quam Philoſophicam vocant, non magno-
              <lb/>
            pere noſtra iutereſt; </s>
            <s xml:id="echoid-s3875" xml:space="preserve">ſatis enim habemus, ſi irrumpentibus & </s>
            <s xml:id="echoid-s3876" xml:space="preserve">agi-
              <lb/>
            tatis igniculis incaleſcat humor, qui & </s>
            <s xml:id="echoid-s3877" xml:space="preserve">aliquando igni admotus
              <lb/>
            feruet ebulliens, & </s>
            <s xml:id="echoid-s3878" xml:space="preserve">in fumum abit adeò vrentem, vt non ſolùm con-
              <lb/>
            cluſę vitreis vaſculis herbæ exudent liquorem, verùm etiam eodem
              <lb/>
            illo fumo per tubi anguſtias erumpente redigi in calcem valeat Cor-
              <lb/>
            nu Cerui.</s>
            <s xml:id="echoid-s3879" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3880" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s3881" xml:space="preserve">Non in ſolo igitur hypocauſti aëre igniculos agitatos ir-
              <lb/>
            repere ſenſim in expoſiti laticis particulas dicendum videtur, ſed
              <lb/>
            vt à ſubiectis aut circumpoſitis prunis in ahenum, fictilemue ollam
              <lb/>
            penetrare igniculos, immiſceri liquori, partes omnes agita-
              <lb/>
            re vehementiùs, bullas excitare, ex ijfque erumpere in
              <lb/>
            fumum ſecum pariter rapiendo attenuatas liquoris parti-
              <lb/>
            culas.</s>
            <s xml:id="echoid-s3882" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3883" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s3884" xml:space="preserve">De hoc nullus mihi relinquitur dubitandi locus. </s>
            <s xml:id="echoid-s3885" xml:space="preserve">Si enim
              <lb/>
            Alabaſtri fruſtum in mortario contuſum, atque in tenuiſſimum
              <lb/>
            puluerem (vulgus *Impalpabilem*, Chymiſtæ *Alchool* dicerent)
              <lb/>
            redactum, & </s>
            <s xml:id="echoid-s3886" xml:space="preserve">pollinario cribro tranſmiſſum, vaſi ferreo aut cu-
              <lb/>
            preo immittas, cui ignis ſubiectus ſit primùm quidem lentus,
              <lb/>
            deinde gradatim auctus, ita puluiſculis immiſcentur igniculi, vt
              <lb/>
            quid fiat ex illis quaſi fluidum, & </s>
            <s xml:id="echoid-s3887" xml:space="preserve">liquorem motu imitetur, ſi vas
              <lb/>
            inclinetur in latus; </s>
            <s xml:id="echoid-s3888" xml:space="preserve">nihil tamen humoris ibi deprehenditur. </s>
            <s xml:id="echoid-s3889" xml:space="preserve">Qua-
              <lb/>
            propter igniculos per vaſis meatus irrepere vix negari à quoquam
              <lb/>
            poteſt.</s>
            <s xml:id="echoid-s3890" xml:space="preserve"/>
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            <s xml:id="echoid-s3891" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s3892" xml:space="preserve">Id ſi ita eſt, per omnìa permeent & </s>
            <s xml:id="echoid-s3893" xml:space="preserve">tranſeant igniculi,
              <lb/>
            neceſſe eſt, per æs, per lapidem, per vitrum, quod tamen minimè
              <lb/>
            poros admittere conſtans eſt plurimorum opinio.</s>
            <s xml:id="echoid-s3894" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3895" xml:space="preserve">Maur. </s>
            <s xml:id="echoid-s3896" xml:space="preserve">Quod quidem ad vitrum ſpectat (ex quo vtpote perſpi-
              <lb/>
            cuo facilis eſt de cœteris coniectura) maiores omni exceptione te-
              <lb/>
            ſtes qui ſe vidiſſe aſſerunt, producere poſſem: </s>
            <s xml:id="echoid-s3897" xml:space="preserve">ſed leui ſumptu,
              <lb/>
            nec multo labore vobis ipſis experimentum capere licebit. </s>
            <s xml:id="echoid-s3898" xml:space="preserve">Vi-
              <lb/>
            tream phialam (quæ tamen nulli adiecto pedi in@itatur) aquâ ex
              <lb/>
            puteo aut ex fonte hauſtâ replete, eamque candentibus carboni-
              <lb/>
            bus imponite: </s>
            <s xml:id="echoid-s3899" xml:space="preserve">vbi illa ſatis incaluerit, tum follium flatu cineres
              <lb/>
            ex prunis decutite, ipſaſque aſſiduo flatu vrgete: </s>
            <s xml:id="echoid-s3900" xml:space="preserve">demum flam-
              <lb/>
            mulas per aquam aſcendentes conſpicietis, quæ vobis vberiorem
              <lb/>
            philoſop handi materiam ſuppeditabunt. </s>
            <s xml:id="echoid-s3901" xml:space="preserve">Quod ſi fortè ſuſpice-
              <lb/>
            mini, an flammulæ aſcendentes ſint, an verò rutilantium </s>
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