Casati, Paolo, De igne dissertationes physicae, 1686

Table of Notes

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              <pb o="24" file="0452" n="452" rhead="Diſſertatio Prima."/>
            ſioríſque cerei ellychnium excavatam ceram relinquit. </s>
            <s xml:id="echoid-s14549" xml:space="preserve">Hinc
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            creſcente, atque dilatata conflagratione facta ſunt crateris ini-
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            tia, cujus amplitudo incrementum ſumpſit tùm abſumpta cir-
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            cumquaque materia bituminea, tùm etiam ſaxis ab aſcendente
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            igneo vapore eroſis. </s>
            <s xml:id="echoid-s14550" xml:space="preserve">Ætnæ crater, Plinio teſte lib.</s>
            <s xml:id="echoid-s14551" xml:space="preserve">3.</s>
            <s xml:id="echoid-s14552" xml:space="preserve">cap.</s>
            <s xml:id="echoid-s14553" xml:space="preserve">8. </s>
            <s xml:id="echoid-s14554" xml:space="preserve">patet
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            ambitu ſfadia viginti, adeóque ejus ſumma diameter eſt ſtadio-
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            rum ſex cum triente; </s>
            <s xml:id="echoid-s14555" xml:space="preserve">ex quo fit, aream ſupremi illius circuli,
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            (rem craſſiu ſculè citra Geometricam ſubtilitatem accipio) com-
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            plecti pluſquam triginta ſtadia quadrata; </s>
            <s xml:id="echoid-s14556" xml:space="preserve">ducta videlicet peri-
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            pheria in diametrum, & </s>
            <s xml:id="echoid-s14557" xml:space="preserve">accepto numeri ex multiplicatione
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            producti quadrante. </s>
            <s xml:id="echoid-s14558" xml:space="preserve">Et, ut ex notiſſima menſura res clariùs in-
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            noteſcat, jam noſtis octo ſtadiorum longitudinem æquari paſſi-
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            bus mille, ſtadiíſque ſingulis tribuendos paſſus 125. </s>
            <s xml:id="echoid-s14559" xml:space="preserve">hoc eſt pe-
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            des 625: </s>
            <s xml:id="echoid-s14560" xml:space="preserve">Area igitur unius ſtadij quadrati complectitur pedes qua-
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            dratos (liceat mihi arrepto calamo hanc aream ad calculos re-
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            vocare) 390625; </s>
            <s xml:id="echoid-s14561" xml:space="preserve">qui numerus trigeſima patentis crateris pars
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            dat totius circuli aream pedum quadratorum 11.</s>
            <s xml:id="echoid-s14562" xml:space="preserve">718750. </s>
            <s xml:id="echoid-s14563" xml:space="preserve">Qua-
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            propter altitudine unici pedis aſſumpta, terræ bitumineæ pedes
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            cubicos habemus definitos undecim millionibus, ſeptingentis
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            octodecim millibus, ſeptingentis quinquaginta. </s>
            <s xml:id="echoid-s14564" xml:space="preserve">Si nota eſſet
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            voraginis illius altitudo, atque figura ſivè cylindrum, ſivè co-
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            num æmulata, difficile non eſſet univerſæ materiæ hactenùs
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            igne abſumptæ rationem ſupputare: </s>
            <s xml:id="echoid-s14565" xml:space="preserve">certum eſt non poſſe bre-
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            vibus numeris circumſcribi: </s>
            <s xml:id="echoid-s14566" xml:space="preserve">ſed adhuc perſeverans ardor vetat
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            propiùs accedere.</s>
            <s xml:id="echoid-s14567" xml:space="preserve"/>
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            <s xml:id="echoid-s14568" xml:space="preserve">Grad. </s>
            <s xml:id="echoid-s14569" xml:space="preserve">Fortaſsè etiam materia ſub ſaxis latens, cùm ad eam
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            depaſcendam venit ignis, reliquit concamerationes, & </s>
            <s xml:id="echoid-s14570" xml:space="preserve">furno-
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            rum in morem teſtudineata tecta: </s>
            <s xml:id="echoid-s14571" xml:space="preserve">harum cavernarum amplitu-
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            dinem æſtimare nemo poteſt; </s>
            <s xml:id="echoid-s14572" xml:space="preserve">quæ tamen addenda eſſet cylin-
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            dro, aut cono decurtato ipſius crateris. </s>
            <s xml:id="echoid-s14573" xml:space="preserve">Neq; </s>
            <s xml:id="echoid-s14574" xml:space="preserve">enim cenſendum
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            eſt crateris tantùm amplitudini reſpondere ignium materiam,
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            ſed illam etiam aliundè evocatam aliquando fuiſſe maximè con-
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            ſtare videtur, quando ex cratere factę ſunt igneę eruptiones;
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            </s>
            <s xml:id="echoid-s14575" xml:space="preserve">de quibus S. </s>
            <s xml:id="echoid-s14576" xml:space="preserve">Auguſt. </s>
            <s xml:id="echoid-s14577" xml:space="preserve">lib.</s>
            <s xml:id="echoid-s14578" xml:space="preserve">3. </s>
            <s xml:id="echoid-s14579" xml:space="preserve">de Civ. </s>
            <s xml:id="echoid-s14580" xml:space="preserve">Dei cap.</s>
            <s xml:id="echoid-s14581" xml:space="preserve">31. </s>
            <s xml:id="echoid-s14582" xml:space="preserve">ait, *Legimus Æt-*
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            *næis ignibus ab ipſo montis vertice uſque ad litus proximum decurrenti-*
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            *bus it a ferviſſe mare, ut rupes exurerentur, & </s>
            <s xml:id="echoid-s14583" xml:space="preserve">pices navium ſolveren-*
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            *tur.</s>
            <s xml:id="echoid-s14584" xml:space="preserve">* & </s>
            <s xml:id="echoid-s14585" xml:space="preserve">lib.</s>
            <s xml:id="echoid-s14586" xml:space="preserve">4.</s>
            <s xml:id="echoid-s14587" xml:space="preserve">cap.</s>
            <s xml:id="echoid-s14588" xml:space="preserve">2. </s>
            <s xml:id="echoid-s14589" xml:space="preserve">ex Apuleio narrat, *ex Ætnæ verticibus quon-*
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            *dam effuſis crateribus, per diluvia, incendio Divino, torrentis vice*
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            *flammarum flumina cucurriſſe.</s>
            <s xml:id="echoid-s14590" xml:space="preserve">* Quia nimirum in alia montis parte
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            accenſum bitumen ſulphure miſtum dum proximum humo-
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            rem nitroſis, atque alumineis particulis fœtum ſuo calore </s>
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