Angeli, Stefano degli, Della gravita' dell' aria e fluidi : esercitata principalmente nelli loro homogenei

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          <p>
            <s xml:id="echoid-s2864" xml:space="preserve">
              <pb o="7" file="00101" n="101" rhead="TERZO."/>
            _Iacobi Dobrzenſki de Nigroponte, Boemi Pragenſis par._ </s>
            <s xml:id="echoid-s2865" xml:space="preserve">I. </s>
            <s xml:id="echoid-s2866" xml:space="preserve">_pag. </s>
            <s xml:id="echoid-s2867" xml:space="preserve">27._
              <lb/>
            </s>
            <s xml:id="echoid-s2868" xml:space="preserve">e trouerà vna belliſſima eſperiẽza di ciò. </s>
            <s xml:id="echoid-s2869" xml:space="preserve">Dice adunque che
              <lb/>
            ſe ſi ponerà in vn lambico proportionato libbre 6. </s>
            <s xml:id="echoid-s2870" xml:space="preserve">di mer-
              <lb/>
            curio in circa, e ſe diſtillerà, che ne vſciranno 3. </s>
            <s xml:id="echoid-s2871" xml:space="preserve">ouero 4 on-
              <lb/>
            cie d’acqua puriſſima, & </s>
            <s xml:id="echoid-s2872" xml:space="preserve">elementare.</s>
            <s xml:id="echoid-s2873" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2874" xml:space="preserve">_Cont._ </s>
            <s xml:id="echoid-s2875" xml:space="preserve">Io non dico, che mediante la diſtillatione, non ſi poſſino
              <lb/>
            cauar ſpiriti dal mercurio, che raccolti, conſtituiſcono vn
              <lb/>
            fluido come acqua; </s>
            <s xml:id="echoid-s2876" xml:space="preserve">mà che queſto poi ſia acqua elemen-
              <lb/>
            tare, io non ſono coſi pronto à crederlo: </s>
            <s xml:id="echoid-s2877" xml:space="preserve">poiche più toſto
              <lb/>
            li reputarei vn eſtratto efficace di mercurio, che riteneſſe
              <lb/>
            le ſue virtù efficacemente, appunto come quando dal
              <lb/>
            vino ſe ne caua l’acquauita; </s>
            <s xml:id="echoid-s2878" xml:space="preserve">e da altre materie altri
              <lb/>
            eſtratti.</s>
            <s xml:id="echoid-s2879" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2880" xml:space="preserve">_Ofr._ </s>
            <s xml:id="echoid-s2881" xml:space="preserve">Quello, che ſi caua dal mercurio non eſſer altro che ac-
              <lb/>
            qua elementare, è prouaro dal medemo autore con queſt’-
              <lb/>
            eſperienza. </s>
            <s xml:id="echoid-s2882" xml:space="preserve">Eſtratta l’acqua dal mercurio, s’eſponga que-
              <lb/>
            ſto all’aria per tempo conueniente, e poi ſi lambichi di
              <lb/>
            nuouo; </s>
            <s xml:id="echoid-s2883" xml:space="preserve">ſe ne cauerà altretanta acqua. </s>
            <s xml:id="echoid-s2884" xml:space="preserve">Si replichi que ſt’-
              <lb/>
            operatione ſei, otto, e quante volte ſi vuole, ſempre ſe ne
              <lb/>
            cauerà la medema acqua. </s>
            <s xml:id="echoid-s2885" xml:space="preserve">Sicche peſata tutta queſt’acqua
              <lb/>
            raccolta, ſi trouerà peſare più che non peſaua l’argentoui-
              <lb/>
            uo. </s>
            <s xml:id="echoid-s2886" xml:space="preserve">Ragioneuolmente adunque interroga l’autore. </s>
            <s xml:id="echoid-s2887" xml:space="preserve">_Vide an_
              <lb/>
            _Hic ſpiritus mercurij eſſe poſsit?_ </s>
            <s xml:id="echoid-s2888" xml:space="preserve">Poi ſoggiunge. </s>
            <s xml:id="echoid-s2889" xml:space="preserve">_Ergò liberè di-_
              <lb/>
            _cere poſſum aquam illam nil aliud eſſe, quam atomos aqueas in aere_
              <lb/>
            _circumuolitantes, tempore bumido ab argentouiuo eidem expoſito_
              <lb/>
            _attractas, & </s>
            <s xml:id="echoid-s2890" xml:space="preserve">frigiditate naturæ argentiuiui intrò conſeruatas, po-_
              <lb/>
            _ſteaque ope diſtillationis in aquam formalem conuerſas_.</s>
            <s xml:id="echoid-s2891" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2892" xml:space="preserve">_Mat._ </s>
            <s xml:id="echoid-s2893" xml:space="preserve">Pare à me che più congruamente aſſegni la cauſa de ſi-
              <lb/>
            mili effetti il dottiſſimo Padre Emanuel Magnano _in Phi-_
              <lb/>
            _loſ. </s>
            <s xml:id="echoid-s2894" xml:space="preserve">naturæ cap_. </s>
            <s xml:id="echoid-s2895" xml:space="preserve">16. </s>
            <s xml:id="echoid-s2896" xml:space="preserve">_prop_. </s>
            <s xml:id="echoid-s2897" xml:space="preserve">2. </s>
            <s xml:id="echoid-s2898" xml:space="preserve">oue dice, che ſe eſtratto il ſpirito
              <lb/>
            dal vitriolo, s’eſponga all’aria per alcuni giorni quella ma-
              <lb/>
            teria, che reſta, la quale dalli artefici è chiamata Colcotar,
              <lb/>
            e ſe torni à diſtillare con la retorta, che ſe ne cauerà nuo-
              <lb/>
            uo, e più efficace ſpirito. </s>
            <s xml:id="echoid-s2899" xml:space="preserve">E il medemo ſuccederà ſe più
              <lb/>
            volte ſe replicherà l’operatione. </s>
            <s xml:id="echoid-s2900" xml:space="preserve">Così ſe quella terra, dal-
              <lb/>
            la quale con vari lauamenti ſe ne hà cauato il nitro, ſi eſpo-
              <lb/>
            nerà in luogo conueniente per alquanto tempo, lauata di
              <lb/>
            nuouo, ſe ne cauerà altro nitro. </s>
            <s xml:id="echoid-s2901" xml:space="preserve">La cauſa è, dice egli, </s>
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