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

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            <s xml:id="echoid-s4893" xml:space="preserve">
              <pb o="69" file="00163" n="163" rhead="QVARTO."/>
            _pag. </s>
            <s xml:id="echoid-s4894" xml:space="preserve">13_. </s>
            <s xml:id="echoid-s4895" xml:space="preserve">e ciò per più piena’cõfuttatione delle parole delSig.
              <lb/>
            </s>
            <s xml:id="echoid-s4896" xml:space="preserve">Berigardo ſopradette; </s>
            <s xml:id="echoid-s4897" xml:space="preserve">cioè _Proinde celerius moueri debet ex_
              <lb/>
            _profundiori loco, vnde plures aquæ partes eam ſurſumimpellunt_. </s>
            <s xml:id="echoid-s4898" xml:space="preserve">Se
              <lb/>
            egli intẽde che le parti dell’acqua AGMB (vedaſſi la figura
              <lb/>
            a carte 37.) </s>
            <s xml:id="echoid-s4899" xml:space="preserve">tutte in vna volta ſpingano insù il galleggiante
              <lb/>
            LMPO, come altri hanno penſato, e non ſolo ſucceſſiua-
              <lb/>
            mente, come habbiamo detto, credo che s’inganni: </s>
            <s xml:id="echoid-s4900" xml:space="preserve">perche
              <lb/>
            è vero che tutta l’acqua AGMB, per eſempio, fà forza per
              <lb/>
            diſcendere, ma è anco vero che tutto il compoſto BMPD,
              <lb/>
            fà pur forza per diſcendere, E perche AFLB, e BLOD,
              <lb/>
            ſono vguali, e fãno vguali conati; </s>
            <s xml:id="echoid-s4901" xml:space="preserve">ſe pareggiano, ne LMPO
              <lb/>
            in queſto ſito ſente punto la forza di AFLB, ma ſolo quel-
              <lb/>
            la di FGML; </s>
            <s xml:id="echoid-s4902" xml:space="preserve">e così ſucceſſiuamente in tutti li luoghi. </s>
            <s xml:id="echoid-s4903" xml:space="preserve">A-
              <lb/>
            dunque poco importa che l’acqua ſia più alta, ò più baſſa,
              <lb/>
            ſe non ſucceſſiuamente, in quanto la più alta continua più
              <lb/>
            à ſpingere; </s>
            <s xml:id="echoid-s4904" xml:space="preserve">e perciò introduce forſe maggior celerità; </s>
            <s xml:id="echoid-s4905" xml:space="preserve">e
              <lb/>
            tanto la più alta quanto la più baſſa maggior in fine che in
              <lb/>
            principio. </s>
            <s xml:id="echoid-s4906" xml:space="preserve">Ma che occorre à multiplicar tante parole, mẽ-
              <lb/>
            tre vi ſono l’eſperienze, che fanno per noi? </s>
            <s xml:id="echoid-s4907" xml:space="preserve">Il famoſiſſi-
              <lb/>
            mo P. </s>
            <s xml:id="echoid-s4908" xml:space="preserve">Riccioli _nellib. </s>
            <s xml:id="echoid-s4909" xml:space="preserve">dell’Almag. </s>
            <s xml:id="echoid-s4910" xml:space="preserve">cap_. </s>
            <s xml:id="echoid-s4911" xml:space="preserve">16. </s>
            <s xml:id="echoid-s4912" xml:space="preserve">_pag_. </s>
            <s xml:id="echoid-s4913" xml:space="preserve">391. </s>
            <s xml:id="echoid-s4914" xml:space="preserve">ha tentato
              <lb/>
            queſt’ eſperienza in vna canna di vetro ſimile a quella del
              <lb/>
            Sig. </s>
            <s xml:id="echoid-s4915" xml:space="preserve">Rinaldini, della quale habbiamo parlato _nel Dial_. </s>
            <s xml:id="echoid-s4916" xml:space="preserve">1. </s>
            <s xml:id="echoid-s4917" xml:space="preserve">
              <lb/>
            _pag_. </s>
            <s xml:id="echoid-s4918" xml:space="preserve">27. </s>
            <s xml:id="echoid-s4919" xml:space="preserve">e diuiſa la ſua altezza, che era di 3. </s>
            <s xml:id="echoid-s4920" xml:space="preserve">piedi in due par-
              <lb/>
            ti vguali, e riempitela d’acqua; </s>
            <s xml:id="echoid-s4921" xml:space="preserve">laſciando vn piccolo ſpatio
              <lb/>
            capace d’vn poco d’aria vna volta, e d’vn poco d’aria, & </s>
            <s xml:id="echoid-s4922" xml:space="preserve">o-
              <lb/>
            glio vn’altra, oſſeruò l’aſceſa per eſſa, e dell’aria, e dell’o-
              <lb/>
            glio. </s>
            <s xml:id="echoid-s4923" xml:space="preserve">L’aria ſalìla prima metà in 30. </s>
            <s xml:id="echoid-s4924" xml:space="preserve">vibrationi d’vn pendo-
              <lb/>
            lo, e la ſeconda in 24. </s>
            <s xml:id="echoid-s4925" xml:space="preserve">cioè più velocemente. </s>
            <s xml:id="echoid-s4926" xml:space="preserve">L’oglio la pri-
              <lb/>
            ma in 14. </s>
            <s xml:id="echoid-s4927" xml:space="preserve">la ſeconda 12. </s>
            <s xml:id="echoid-s4928" xml:space="preserve">Coſi fece diuerſe oſſeruationi in
              <lb/>
            altre canne con altri galleggianti, e nel pozzo, che potran-
              <lb/>
            no dal curioſo eſſer in eſſo vedute, dalle quali conclude, _Le-_
              <lb/>
            _uia corpora in aſcenſu naturli per aquam ita inæqualiter moueri,_
              <lb/>
            _vt velocius moueantur; </s>
            <s xml:id="echoid-s4929" xml:space="preserve">& </s>
            <s xml:id="echoid-s4930" xml:space="preserve">priorem medietatem ſpatij longori_
              <lb/>
            _tempore pertranſeant, quam poſteriorem_.</s>
            <s xml:id="echoid-s4931" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4932" xml:space="preserve">_Cont_. </s>
            <s xml:id="echoid-s4933" xml:space="preserve">Quanto alle ſalite diuerſe dell’aria per l’acqua, belliſſi-
              <lb/>
            mo modo d’eſperimentarle ſe ne può raccogliore dal vaſo
              <lb/>
            del Sig. </s>
            <s xml:id="echoid-s4934" xml:space="preserve">Sinclaro, del quale habbiamo ſopra parlato a car-
              <lb/>
            te 49. </s>
            <s xml:id="echoid-s4935" xml:space="preserve">Poiche ſe notato quanto queſto ſia ſommerſo; </s>
            <s xml:id="echoid-s4936" xml:space="preserve">& </s>
            <s xml:id="echoid-s4937" xml:space="preserve"/>
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