Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s2013" xml:space="preserve">
              <pb o="62" file="0074" n="74" rhead="Diſſertatio Tertia."/>
            tumuit, & </s>
            <s xml:id="echoid-s2014" xml:space="preserve">octo ferè granorum in pondere incrementum ſuſcepit;
              <lb/>
            </s>
            <s xml:id="echoid-s2015" xml:space="preserve">deprehenſa ſiquidem eſt drachmæ vnius & </s>
            <s xml:id="echoid-s2016" xml:space="preserve">granorum quin que cum
              <lb/>
            dodrante.</s>
            <s xml:id="echoid-s2017" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2018" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s2019" xml:space="preserve">Anglicis tamen experimentis opponere quis poſſet Flo-
              <lb/>
            rentinorum Academicorum experimentum (fol. </s>
            <s xml:id="echoid-s2020" xml:space="preserve">256.) </s>
            <s xml:id="echoid-s2021" xml:space="preserve">qui duas
              <lb/>
            planè æquales virgulas chalybeas delicatiſſimæ bilanci impoſue-
              <lb/>
            runt alteram ignitam, frigidam alteram; </s>
            <s xml:id="echoid-s2022" xml:space="preserve">hæc autem paulo gra-
              <lb/>
            uior apparebat: </s>
            <s xml:id="echoid-s2023" xml:space="preserve">ſed vbi ad eam proximè admota eſt pruna, aut
              <lb/>
            ferrum candens, illico redijt ad æquilibrium. </s>
            <s xml:id="echoid-s2024" xml:space="preserve">Id quod contin-
              <lb/>
            git, ſiuè aureæ, ſiuè argenteæ, ſiuè ex quolibet alio metallo
              <lb/>
            fuerint virgulæ. </s>
            <s xml:id="echoid-s2025" xml:space="preserve">Imò in lancibus vacuis eiuſdem delicatiſſimæ li-
              <lb/>
            bræ obſeruatum eſt, ſi alteri lanci admoueatur ex parte ſupe-
              <lb/>
            riori accenſus carbo, illam quaſi leuiorem attolli, at verò ſi
              <lb/>
            carbo ei ſubijciatur, eandem quaſi grauiorem factam de-
              <lb/>
            ſcendere.</s>
            <s xml:id="echoid-s2026" xml:space="preserve"/>
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            <s xml:id="echoid-s2027" xml:space="preserve">Mauroc. </s>
            <s xml:id="echoid-s2028" xml:space="preserve">Vt ab hoc poſtremo, quod quaſi παρέργον additur
              <lb/>
            præſenti quæſtioni, non eſt mirum lancem vacuam ſubdito car-
              <lb/>
            bone ignito deſcendere, & </s>
            <s xml:id="echoid-s2029" xml:space="preserve">illo ſupernſe4; </s>
            <s xml:id="echoid-s2030" xml:space="preserve">admoto attolli, ſi illud,
              <lb/>
            quod apud omnes extrà controuerſiam eſt, admittamus, videli-
              <lb/>
            cet aërem vi caloris rarum fieri: </s>
            <s xml:id="echoid-s2031" xml:space="preserve">Si igitur ab ardente prunâ aër
              <lb/>
            infra lancem fit rarus, ac propterea leuior, quàm aër oppoſitæ
              <lb/>
            lanci ſubiectus, vtique lanx magis ſupra illum grauitat; </s>
            <s xml:id="echoid-s2032" xml:space="preserve">idcirco
              <lb/>
            deſcendit. </s>
            <s xml:id="echoid-s2033" xml:space="preserve">Contra verò aër intrà lancis labra comprehenſus ex
              <lb/>
            calore admoti carbonis rareſcit, adeòque moles ex lancis me-
              <lb/>
            tallo & </s>
            <s xml:id="echoid-s2034" xml:space="preserve">aëre raro compoſita, fit in ſpecie leuior ac priùs, pro-
              <lb/>
            inde leuior quàm oppoſita lanx; </s>
            <s xml:id="echoid-s2035" xml:space="preserve">ideò à grauiore attollitur.
              <lb/>
            </s>
            <s xml:id="echoid-s2036" xml:space="preserve">Quod verò ſpectat ad virgulas illas cœteroqui æquales, diſ-
              <lb/>
            pares tantùm ratione caloris & </s>
            <s xml:id="echoid-s2037" xml:space="preserve">frigoris, dicam grauiorem appa-
              <lb/>
            rere frigidam virgulam, quia aër intrâ eiuſdem poros & </s>
            <s xml:id="echoid-s2038" xml:space="preserve">lancis
              <lb/>
            labra comprehenſus non eſt æquè rarus, ac aër implens poros
              <lb/>
            virgulæ ignitæ, cuius calore rareſcit etiam aër, qui lancis labris
              <lb/>
            continetur: </s>
            <s xml:id="echoid-s2039" xml:space="preserve">ſtatim igitur ac admotâ prunâ rareſcit aër circa & </s>
            <s xml:id="echoid-s2040" xml:space="preserve">
              <lb/>
            intrà frigidam virgulam, fit etiam leuior, & </s>
            <s xml:id="echoid-s2041" xml:space="preserve">moles ex hoc aëre
              <lb/>
            raro & </s>
            <s xml:id="echoid-s2042" xml:space="preserve">chalybe compoſita fit ſecundùm ſpeciem leuior, ac pro-
              <lb/>
            inde vtraque virgula in æquilibrio conſiſtit. </s>
            <s xml:id="echoid-s2043" xml:space="preserve">At in experimento
              <lb/>
            Boylæo lamina cuprea, aut argentea, non tantùm calefacta eſt,
              <lb/>
            & </s>
            <s xml:id="echoid-s2044" xml:space="preserve">ignita, ſed diuturnitate temporis, hoc eſt duarum horarum
              <lb/>
            ſpatio, congeſti ſunt intrà eius poros igniculi; </s>
            <s xml:id="echoid-s2045" xml:space="preserve">excluſo </s>
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