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

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          <p>
            <s xml:id="echoid-s2791" xml:space="preserve">
              <pb o="5" file="00099" n="99" rhead="TERZO."/>
            diligenza. </s>
            <s xml:id="echoid-s2792" xml:space="preserve">Il che ſtando, e fatto il voto con l’argento non
              <lb/>
            purgato dall’aria, ſalendo queſta ſopra eſſo, la cagione di
              <lb/>
            queſta minor ſalita dell’argento pare che debba attribuirſi
              <lb/>
            à queſt’aria.</s>
            <s xml:id="echoid-s2793" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2794" xml:space="preserve">_Ofred_. </s>
            <s xml:id="echoid-s2795" xml:space="preserve">Se così è, parmi che ragioneuolmente ſi debba dire, che
              <lb/>
            in tanto il mercurio agitato reſtituito al medemo luogo
              <lb/>
            non ritorni alla medema altezza, mà minore, perche con
              <lb/>
            l’agitatione ſi facia ſalir l’aria nella ſommità di lui, la qua-
              <lb/>
            le prima foſſe con eſſo meſcolata.</s>
            <s xml:id="echoid-s2796" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2797" xml:space="preserve">_Mat_. </s>
            <s xml:id="echoid-s2798" xml:space="preserve">V. </s>
            <s xml:id="echoid-s2799" xml:space="preserve">S. </s>
            <s xml:id="echoid-s2800" xml:space="preserve">è più miracoloſo nel dedur conſeguenze, che non
              <lb/>
            era Archimede nell’ alzar le Gallere de Romani con la ma-
              <lb/>
            no di ferro. </s>
            <s xml:id="echoid-s2801" xml:space="preserve">Queſta conſeguenza è molto faticoſa da dedu-
              <lb/>
            re; </s>
            <s xml:id="echoid-s2802" xml:space="preserve">credo però che à caſo in parte habbi tocco il punto.</s>
            <s xml:id="echoid-s2803" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2804" xml:space="preserve">_Cont_. </s>
            <s xml:id="echoid-s2805" xml:space="preserve">Il Sig. </s>
            <s xml:id="echoid-s2806" xml:space="preserve">Sinclaro leua queſto ſutterfugio, mentre dice _nel_
              <lb/>
            _lib 2. </s>
            <s xml:id="echoid-s2807" xml:space="preserve">Dial. </s>
            <s xml:id="echoid-s2808" xml:space="preserve">1. </s>
            <s xml:id="echoid-s2809" xml:space="preserve">n. </s>
            <s xml:id="echoid-s2810" xml:space="preserve">3. </s>
            <s xml:id="echoid-s2811" xml:space="preserve">cit._ </s>
            <s xml:id="echoid-s2812" xml:space="preserve">che nel fare queſt’ eſperienza, _Baroſcopij_
              <lb/>
            _tubum, ſumma cura ac diligentia, ad ſummam vſque oram, Hydrar-_
              <lb/>
            _gyro impleuit, omnibus extruſis ope fili ferrei, aeris particulis in-_
              <lb/>
            _ter Hydargyri particulas latitantibus._</s>
            <s xml:id="echoid-s2813" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2814" xml:space="preserve">_Mat_. </s>
            <s xml:id="echoid-s2815" xml:space="preserve">Parmi che con quell’ _Omnibus particulis_, il Sig. </s>
            <s xml:id="echoid-s2816" xml:space="preserve">Sinclaro ſi
              <lb/>
            reſtringa troppo; </s>
            <s xml:id="echoid-s2817" xml:space="preserve">poiche io dubito, che quãto più s’agiterà,
              <lb/>
            ſempre ſi far à ſalire dell’aria.</s>
            <s xml:id="echoid-s2818" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2819" xml:space="preserve">_Ofre_. </s>
            <s xml:id="echoid-s2820" xml:space="preserve">Che vuole V S. </s>
            <s xml:id="echoid-s2821" xml:space="preserve">che l’aria meſcolata con l’argentouiuo ſia
              <lb/>
            infinita?</s>
            <s xml:id="echoid-s2822" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2823" xml:space="preserve">_Mat_. </s>
            <s xml:id="echoid-s2824" xml:space="preserve">Non dico che ſia infinita, ma tanta, che ſempre ve ne
              <lb/>
            farà, ſino che vi ſarà mercurio. </s>
            <s xml:id="echoid-s2825" xml:space="preserve">Qu
              <unsure/>
            eſt’aria poi credo che
              <lb/>
            almeno in buona parte, non ſia altro che li efluui, à quali
              <lb/>
            con l’agitatione ſi facilita l’vſcita dall argentouiuo; </s>
            <s xml:id="echoid-s2826" xml:space="preserve">liberan-
              <lb/>
            doli dall’implicatione, neſſo, e ſtrengimento, che li viene fat-
              <lb/>
            to dalle altre particelle; </s>
            <s xml:id="echoid-s2827" xml:space="preserve">agiutando con queſto moto eſterno
              <lb/>
            quell’ interno nel quale forſe ſono perpetuamẽte. </s>
            <s xml:id="echoid-s2828" xml:space="preserve">Così s’a-
              <lb/>
            gitaremo con vna mano l’acqua cõtenuta entro vn vaſo, ve
              <lb/>
            dremo vna moltitudine di bolle, le quali in buona parte nõ
              <lb/>
            ſono altro che aria; </s>
            <s xml:id="echoid-s2829" xml:space="preserve">cioè efluui, a quali con l’agitatione ſe fa-
              <lb/>
            cilita la via ad vſcir dall’acqua. </s>
            <s xml:id="echoid-s2830" xml:space="preserve">Et à queſto propoſito hò oſ-
              <lb/>
            ſeruato à Venetia, che quando li noſtri Barcaroli per li ca,
              <lb/>
            nali cacciano il Remo nel fango, ò che altri caccia vn palo
              <lb/>
            in eſſo, ò fitto che egli ſia, procura agitandolo quà, e là, ca-
              <lb/>
            uarlo da eſſo, che ſaliſcono molte bolle d’aria; </s>
            <s xml:id="echoid-s2831" xml:space="preserve">le quali </s>
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