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

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            <s xml:id="echoid-s814" xml:space="preserve">
              <pb o="24" file="00030" n="30" rhead="_DIALOGO_"/>
            ſommerſa nell’acqua, l’alzarò con pochiſſima fatica. </s>
            <s xml:id="echoid-s815" xml:space="preserve">Anzi
              <lb/>
            V. </s>
            <s xml:id="echoid-s816" xml:space="preserve">S. </s>
            <s xml:id="echoid-s817" xml:space="preserve">dice, e confeſſa, che l’oro, che in aria peſaua libre 100.
              <lb/>
            </s>
            <s xml:id="echoid-s818" xml:space="preserve">in acqua ne peſa ſolo 95. </s>
            <s xml:id="echoid-s819" xml:space="preserve">E la _propoſ. </s>
            <s xml:id="echoid-s820" xml:space="preserve">7._ </s>
            <s xml:id="echoid-s821" xml:space="preserve">citata d’ Archimedc
              <lb/>
            proua manifeſtamente, che le coſe più graui dell’ humido,
              <lb/>
            collocate in eſso, ſono più leggieri di quanto peſa vna mole
              <lb/>
            dell’humido eguale ad eſse. </s>
            <s xml:id="echoid-s822" xml:space="preserve">Adunque l’acqua leua il peſo
              <lb/>
            dalla coſa collocata in eſsa.</s>
            <s xml:id="echoid-s823" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s824" xml:space="preserve">_Matem_. </s>
            <s xml:id="echoid-s825" xml:space="preserve">Se bene ſono certe l’eſperienze da lei portate, nulladi-
              <lb/>
            meno è falſiſſimo, che l’acqua, ò l hu nido leui aſsoluta-
              <lb/>
            mente il peſo alla pietra, ò all’oro; </s>
            <s xml:id="echoid-s826" xml:space="preserve">ſi che in realtà, e for-
              <lb/>
            malmente peſi meno in eſso, che fuori d’eſso. </s>
            <s xml:id="echoid-s827" xml:space="preserve">In gratia Sig.
              <lb/>
            </s>
            <s xml:id="echoid-s828" xml:space="preserve">Ofredi mi facia vn fauore; </s>
            <s xml:id="echoid-s829" xml:space="preserve">alzi quella pietra.</s>
            <s xml:id="echoid-s830" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s831" xml:space="preserve">_Ofred_. </s>
            <s xml:id="echoid-s832" xml:space="preserve">Ecco che la ſeruo. </s>
            <s xml:id="echoid-s833" xml:space="preserve">Ma, oime, che gran fatica. </s>
            <s xml:id="echoid-s834" xml:space="preserve">lo la laſcio
              <lb/>
            andare. </s>
            <s xml:id="echoid-s835" xml:space="preserve">Che diauolo de caprici ven
              <unsure/>
            gono a V.</s>
            <s xml:id="echoid-s836" xml:space="preserve">S.</s>
            <s xml:id="echoid-s837" xml:space="preserve">? Ha forſe
              <lb/>
            piacere ch’io m’habbi a ſrenare?</s>
            <s xml:id="echoid-s838" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s839" xml:space="preserve">_Matem_ Aſpetti vn poco. </s>
            <s xml:id="echoid-s840" xml:space="preserve">Laſci che le ponghi le mani ſotto. </s>
            <s xml:id="echoid-s841" xml:space="preserve">Fà
              <lb/>
            più tanta fatica? </s>
            <s xml:id="echoid-s842" xml:space="preserve">Sente più tanto peſo?</s>
            <s xml:id="echoid-s843" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s844" xml:space="preserve">_Ofred_. </s>
            <s xml:id="echoid-s845" xml:space="preserve">Oime. </s>
            <s xml:id="echoid-s846" xml:space="preserve">Reſpira mio core. </s>
            <s xml:id="echoid-s847" xml:space="preserve">Io hora facio aſſai minor
              <lb/>
            fatica.</s>
            <s xml:id="echoid-s848" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s849" xml:space="preserve">_Matem_. </s>
            <s xml:id="echoid-s850" xml:space="preserve">Adunque ha perſo la pietra la primiera grauità?</s>
            <s xml:id="echoid-s851" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s852" xml:space="preserve">_Ofred_. </s>
            <s xml:id="echoid-s853" xml:space="preserve">Non Sig. </s>
            <s xml:id="echoid-s854" xml:space="preserve">Ha la grauità medema, ma la fatica dell’a lzarla
              <lb/>
            ſe la ſiamo par
              <unsure/>
            tita
              <gap/>
            V. </s>
            <s xml:id="echoid-s855" xml:space="preserve">S. </s>
            <s xml:id="echoid-s856" xml:space="preserve">e me. </s>
            <s xml:id="echoid-s857" xml:space="preserve">l
              <unsure/>
            o alzo di ſopra, e V. </s>
            <s xml:id="echoid-s858" xml:space="preserve">S. </s>
            <s xml:id="echoid-s859" xml:space="preserve">ſpin-
              <lb/>
            ge di ſotto.</s>
            <s xml:id="echoid-s860" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s861" xml:space="preserve">_Matem_. </s>
            <s xml:id="echoid-s862" xml:space="preserve">Bene bene Signor Ofredi. </s>
            <s xml:id="echoid-s863" xml:space="preserve">Coſi camina il negotio della
              <lb/>
            pietra nell’acqua Queſta iui ha la medema grauità, che ha
              <lb/>
            fuori; </s>
            <s xml:id="echoid-s864" xml:space="preserve">ma V.</s>
            <s xml:id="echoid-s865" xml:space="preserve">S non la ſente tutta, perche non è ſolo nell al-
              <lb/>
            zarla.</s>
            <s xml:id="echoid-s866" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s867" xml:space="preserve">_Ofred_. </s>
            <s xml:id="echoid-s868" xml:space="preserve">E coſa è quello, che m’aiuta? </s>
            <s xml:id="echoid-s869" xml:space="preserve">E forſe qualche ſpirito
              <lb/>
            acqueo?</s>
            <s xml:id="echoid-s870" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s871" xml:space="preserve">_Matem_. </s>
            <s xml:id="echoid-s872" xml:space="preserve">E tant’acqua in mole, quant’è la pietra, la quale caccia-
              <lb/>
            ta da eſsa dal proprio luogo, fa forza per diſcender ad occu-
              <lb/>
            parlo con vn tal momento, il quale ſempre combatte con
              <lb/>
            il momento della pietra, ch’è magg@ore d’eſso, pareggian-
              <lb/>
            done tanta portione quant’è eſso. </s>
            <s xml:id="echoid-s873" xml:space="preserve">Onde V. </s>
            <s xml:id="echoid-s874" xml:space="preserve">S. </s>
            <s xml:id="echoid-s875" xml:space="preserve">nell’alzar la
              <unsure/>
              <lb/>
            pietra non ſente, ne deue ſuperare che l’ecceſso di queſto
              <lb/>
            ſopra quello, con qualche coſa altro.</s>
            <s xml:id="echoid-s876" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s877" xml:space="preserve">_Ofred_. </s>
            <s xml:id="echoid-s878" xml:space="preserve">Q@@e
              <unsure/>
            ſta dottrina non mi diſpiace. </s>
            <s xml:id="echoid-s879" xml:space="preserve">E parmi che da eſsa ſi
              <unsure/>
              <lb/>
            poſſi@@ferire, che ſe altri voleſse alzar dall’ acqua vn </s>
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