Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s1426" xml:space="preserve">
              <pb o="41" file="0053" n="53" rhead="De ignis loco."/>
            aëre in aquam translatum tantum amittit momenti, quantum
              <lb/>
            haberet æqualis moles aquæ in aére; </s>
            <s xml:id="echoid-s1427" xml:space="preserve">quemadmodum in medio eo-
              <lb/>
            dem, ſi corpus ex raro fiat denſum aut viciſſim, illico grauitatis
              <lb/>
            ſpeciem mutat, fit quippe maior diſſimilitudo conſtipationis par-
              <lb/>
            tium, ratione cuius ad alium ambitum ſphæricum pertinet, vt
              <lb/>
            ritè diſtributa materia, & </s>
            <s xml:id="echoid-s1428" xml:space="preserve">aptè collocata intelligatur. </s>
            <s xml:id="echoid-s1429" xml:space="preserve">Duorum
              <lb/>
            autem corporum ſolidorum diuerſitas grauitatis ſpecificæ nobis
              <lb/>
            non aliâ methodo innoteſcit, quàm vtriuſque corporis æqualem
              <lb/>
            molem in medio vtrique indebito expendentibus, cuius enim ab-
              <lb/>
            ſoluta grauitas maior eſt, maior eſt etiam ſecundùm ſpeciem; </s>
            <s xml:id="echoid-s1430" xml:space="preserve">aut
              <lb/>
            æqualem vtriuſque corporis grauitatem abſolutam accipientibus,
              <lb/>
            cuius enim minor eſt moles, maior eſt ſecundùm ſpeciem grauitas.
              <lb/>
            </s>
            <s xml:id="echoid-s1431" xml:space="preserve">Idem pariter de leuitate dicendum, ſi corpus idem per vim conſti-
              <lb/>
            tuatur in medio pertinente ad ambitum ſphęricum, qui minùs à
              <lb/>
            centro abſit, quàm ambitus ſphæricus partium huius corporis
              <lb/>
            conſtipationi debitus; </s>
            <s xml:id="echoid-s1432" xml:space="preserve">quatenus enim ad medium illud refertur,
              <lb/>
            leue eſt. </s>
            <s xml:id="echoid-s1433" xml:space="preserve">At corpora ad eundem ambitum ſphericum pertinentia ſi
              <lb/>
            inuicem præcisè comparentur, neque grauiora ſunt, neque leuio-
              <lb/>
            ra: </s>
            <s xml:id="echoid-s1434" xml:space="preserve">ſi verò vtrumqne cum alio corpore ad alium ambitum ſphæ-
              <lb/>
            ricum ſpectante conferantur, aut æquè grauiora aut æquè leuiora
              <lb/>
            illo ſecundùm ſpeciem erunt, prout ambitus ipſi ad Radij partes
              <lb/>
            referuntur. </s>
            <s xml:id="echoid-s1435" xml:space="preserve">Hinc manifeſtum eſt, cur Mercurius in montis vertice
              <lb/>
            magis deſcendat in fiſtulâ, quàm in valle; </s>
            <s xml:id="echoid-s1436" xml:space="preserve">quia nimirum cum
              <lb/>
            aëre illo tenuiore, atque remotiore à centro Orbis, comparatus
              <lb/>
            Mercurius grauior eſt ſecundùm ſpeciem, quàm cum aëre infe-
              <lb/>
            riore, atque craſſiore, collatus: </s>
            <s xml:id="echoid-s1437" xml:space="preserve">ambitus enim ſphęricus aë-
              <lb/>
            ris craffioris minùs attollitur ſupra ambitum ſphæricum Mercu-
              <lb/>
            rio debitum.</s>
            <s xml:id="echoid-s1438" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s1439" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s1440" xml:space="preserve">Quærenti igitur, an oblatum aliquod corpus, ex: </s>
            <s xml:id="echoid-s1441" xml:space="preserve">gr: </s>
            <s xml:id="echoid-s1442" xml:space="preserve">ſa-
              <lb/>
            xum, graue ſit, an leue, quid reſponſi dabo?</s>
            <s xml:id="echoid-s1443" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1444" xml:space="preserve">Mauroc. </s>
            <s xml:id="echoid-s1445" xml:space="preserve">Me quidem authore, *Aut vtrumque, aut neutrum.</s>
            <s xml:id="echoid-s1446" xml:space="preserve">*
              <lb/>
            Vtrumque, ſi cum diuerſis corporibus, quorum alterum mino-
              <lb/>
            rem, alterum maiorem partium conſtipationem habeat, confe-
              <lb/>
            ratur. </s>
            <s xml:id="echoid-s1447" xml:space="preserve">Neutrum, ſi abſolutè ſumatur. </s>
            <s xml:id="echoid-s1448" xml:space="preserve">Saxum enim in aëre & </s>
            <s xml:id="echoid-s1449" xml:space="preserve">
              <lb/>
            aquâ graue eſt, in Mercurio & </s>
            <s xml:id="echoid-s1450" xml:space="preserve">metallo liquato leue eſt: </s>
            <s xml:id="echoid-s1451" xml:space="preserve">ſi ſolita-
              <lb/>
            riè accipiatur in loco ſuo, hoc eſt in ambitu ſphærico eius partium
              <lb/>
            conſtipationi debito, neque graue eſt, neque leue. </s>
            <s xml:id="echoid-s1452" xml:space="preserve">Quemad-
              <lb/>
            modum ſi funem offeras, & </s>
            <s xml:id="echoid-s1453" xml:space="preserve">quæras, An ſatis validus & </s>
            <s xml:id="echoid-s1454" xml:space="preserve"/>
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