Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="217" file="0229" n="229" rhead="De Flamma & Fumo."/>
            plicem tradit methodum, vt ſimilem lapidem acquiras. </s>
            <s xml:id="echoid-s6603" xml:space="preserve">Primò.
              <lb/>
            </s>
            <s xml:id="echoid-s6604" xml:space="preserve">Viui ſulphuris, Salnitri vocati repurgati (quod ſcilicet eſt ſine
              <lb/>
            parte volatili) pari pondere, Caphuræ duplum, Nouæ Calci ad-
              <lb/>
            datur, ac omnia mortario conterantur vſque adeò attenuata, vt
              <lb/>
            in auram euolare poſſint. </s>
            <s xml:id="echoid-s6605" xml:space="preserve">Simul ſtrictè linteolo deligata conuol-
              <lb/>
            uantur, teſtaceo vaſe claufa ſuper illitâ argilla, feruenti Sole de-
              <lb/>
            ſiccentur: </s>
            <s xml:id="echoid-s6606" xml:space="preserve">figulorum imponantur fornaci; </s>
            <s xml:id="echoid-s6607" xml:space="preserve">cumque figulinum vas
              <lb/>
            fuerit excoctum (in quo maxima adhibenda eſt diligentia) in la-
              <lb/>
            pidis duritiem coëunt, & </s>
            <s xml:id="echoid-s6608" xml:space="preserve">rediguntur: </s>
            <s xml:id="echoid-s6609" xml:space="preserve">extracta ad vſum miniſtran-
              <lb/>
            tur. </s>
            <s xml:id="echoid-s6610" xml:space="preserve">Secundò. </s>
            <s xml:id="echoid-s6611" xml:space="preserve">Magnetem lapidem in ollam vel aliud conſimile
              <lb/>
            vas conijce viuâ calce immerſum; </s>
            <s xml:id="echoid-s6612" xml:space="preserve">meliuſque fuerit, ſi Colopho-
              <lb/>
            niam adieceris cum calce pari. </s>
            <s xml:id="echoid-s6613" xml:space="preserve">Cùm vas expleueris, figulari cre-
              <lb/>
            tâ circumlito ſpiramento, fornaci immittito, alternis eadem pro-
              <lb/>
            ſequendo, dum vehementer inalbuerit, & </s>
            <s xml:id="echoid-s6614" xml:space="preserve">torrefiat: </s>
            <s xml:id="echoid-s6615" xml:space="preserve">Cum opus
              <lb/>
            fuerit, aquâ vel ſaliuâ ſuper infuſâ flammam eleuabit; </s>
            <s xml:id="echoid-s6616" xml:space="preserve">qua ſopi-
              <lb/>
            tâ, loco calido ad vſum recondito. </s>
            <s xml:id="echoid-s6617" xml:space="preserve">Tertiò. </s>
            <s xml:id="echoid-s6618" xml:space="preserve">Sumatur Magnetis
              <lb/>
            lapidis prænarrata calx, Salnitri ſæpè purgati quadruplum, æquali
              <lb/>
            pondere Caphura, viui Sulphuris nondum ignem experti, & </s>
            <s xml:id="echoid-s6619" xml:space="preserve">Te-
              <lb/>
            rebinthinæ reſinæ Oleum, & </s>
            <s xml:id="echoid-s6620" xml:space="preserve">vini fœcis concretæ, quam Tartarum
              <lb/>
            dicimus. </s>
            <s xml:id="echoid-s6621" xml:space="preserve">Hæc omnia molâ vel pilâ trita cribrentur, quæ infracta
              <lb/>
            ſunt, denuo terantur, cribrenturque. </s>
            <s xml:id="echoid-s6622" xml:space="preserve">Inſuper auſteri vini arden-
              <lb/>
            tem aquam paratam habeas, eamque infundas, vt ſuperemineat. </s>
            <s xml:id="echoid-s6623" xml:space="preserve">
              <lb/>
            Vitreo vaſe condito, & </s>
            <s xml:id="echoid-s6624" xml:space="preserve">operculato, ne halitum expiret, fimo
              <lb/>
            ſupponatur duobus vel tribus menſibus, denis viciſſim diebus in-
              <lb/>
            nouando, donec mellis ſpiſſamentum imitetur, nec vllum diuiſio-
              <lb/>
            nis indicium præbeat: </s>
            <s xml:id="echoid-s6625" xml:space="preserve">flagranti inde carbone inferueſcat, dum
              <lb/>
            humiditas omnis auolet, & </s>
            <s xml:id="echoid-s6626" xml:space="preserve">penitus ſiccata in lapidem coëat. </s>
            <s xml:id="echoid-s6627" xml:space="preserve">Si
              <lb/>
            hoc cognoueris, vas frange, & </s>
            <s xml:id="echoid-s6628" xml:space="preserve">exemptam iterum terito compo-
              <lb/>
            ſitionem: </s>
            <s xml:id="echoid-s6629" xml:space="preserve">aquâ vel humore aliquo leuiter ſuperinfuſo, flamma eri-
              <lb/>
            getur: </s>
            <s xml:id="echoid-s6630" xml:space="preserve">& </s>
            <s xml:id="echoid-s6631" xml:space="preserve">inter omnes principem hæc ſibi vendicat locum, ſi aſſe-
              <lb/>
            renti Portæ credimus. </s>
            <s xml:id="echoid-s6632" xml:space="preserve">An hiſce Authorum cogitatis (quæ
              <lb/>
            non alijs ferè verbis, atque legerim, afferre placuit) ex-
              <lb/>
            perimentum reſpondeat, fateor me ignorare: </s>
            <s xml:id="echoid-s6633" xml:space="preserve">obſeruo ta-
              <lb/>
            men ſemper Calcem viuam adhiberi permiſtam materiæ ali-
              <lb/>
            cui pingui & </s>
            <s xml:id="echoid-s6634" xml:space="preserve">oleoſæ, vt humore aqueo affuſo calx excite-
              <lb/>
            tur, à cuius ſalibus irritatæ particulæ ſulphureæ erumpant
              <lb/>
            in flammam. </s>
            <s xml:id="echoid-s6635" xml:space="preserve">Cœterûm impoſita lapidi ligna nullo </s>
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