Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              <s id="s.001230">
                <pb pagenum="239" xlink:href="010/01/247.jpg"/>
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              aut montis. </s>
              <s id="s.001231">& ne ſuſpicio ſubiret à concuſſione mer­
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              curij in fiſtula dum transferebatur ſursùm excluſis
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              particulis minimis aereis, debuiſſe poſtea mercurium
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              aliquantiſper deprimi, curauimus etiam obturato in­
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              fimo fiſtulæ orificio, ne vlla concuſſio mercurij effice­
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              retur, & poſtea in ipſo deſcenſu vidimus præcisè
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              mercurium in ijſdem locis eleuatum fuiſſe ad eaſdem
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              altitudines, ad quas in aſcenſu
                <expan abbr="mõtis">montis</expan>
              , vel turris per­
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              uenerat, vnde colligitur ſolummodò ab aeris varią
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              compreſſione mercurium ſuas altitudines variaſſe.
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              <s id="s.001232">
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              Cap. 5. de ae­
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
            </p>
            <p type="margin">
              <s id="s.001233">
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              Altitudo
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              mercurij in
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              fiſtula Torri­
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              celliana non
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              ſemper eiuſ­
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              dem menſu­
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              ræ eſt.</s>
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            <p type="main">
              <s id="s.001234">Vltimo loco animaduertimus non ſemper mercu­
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              rium ad eamdem præcisè altitudinem in fiſtula ele­
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              nari, quæ aliqua ex parte pendet à temperie aeris
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              calida, & frigida, ſed hæc quidem exigua eſt ſi vi­
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              trea fiſtula in vertice eius ſupremo annexam ampul­
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              lam vacuam, amplam habeat; mirabilis profectò vi­
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              ſa eſt variatio illa altitudinis, quæ procùl dubio à
                <expan abbr="tẽ-perie">ten­
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                perie</expan>
              calidi, & frigidi aeris non dependet,
                <expan abbr="">cum</expan>
              perin­
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              de obſeruata ſit temporibus æſtiuis, & hyemalibus,
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              pariter que in cubiculo ab igne excalefacto, vel fri­
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              gido, et habeo penès me obſeruationes
                <expan abbr="duorũ">duorum</expan>
              anno­
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              rum 1657. & 1658.
                <expan abbr="prædictarũ">prædictarum</expan>
                <expan abbr="varietatũ">varietatum</expan>
              , in quibus
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              ſingulis diebus
                <expan abbr="adnotãtur">adnotantur</expan>
              gradus caliditatis aeris ex
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              termometro, an dies fuerit nebuloſus, vel pluuius,
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              aut ſerenus, & quinam venti ſpirarint, quas feci mo­
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              nitu, & iuſſu Sereniſs. Ferdinandi Secundi M. </s>
              <s id="s.001235">Ducis
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              Ætrurię, naturalium operationum ſagaciſſimi explo­
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              ratoris: & tandem videtur ex pluribus obſeruatio­
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              nibus ſimùl collectis deduci poſſe, quòd multoties </s>
            </p>
          </chap>
        </body>
      </text>
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