Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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              <s id="s.001131">
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              pendulum ſatis exquiſitè conſonare videbatur cum
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              cæteris, vibrationum euariet, aut accelerando, ſi vel
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              tantillum breuius æquo fuerit, aut retardando, ſi tan­
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              tillum prolixius. </s>
              <s id="s.001132">Et aliunde quia filum, niſi metalli­
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              cum ſit, diducitur ſenſim, prolixiuſque euadit, dum
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              partim tortum detorquetur, partim pondere pertra­
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              ctum tenuatur; idcircò inde quoque fit, vt niſi cauea­
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              tur, ne fiat variatio, longitudinis, vibrationes, quæ per
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              initia conſonanter inter ſe fiebant, decreſcant ſenſim,
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              ac denique diſcrepare deprehendantur. </s>
              <s id="s.001133">Heinc ſemper
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              mihi conſtitit, quod pendulum primò diſcrepare acce­
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              lerando animaduerti, fuiſſe aliquantulum æquo bre­
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              uius; quod remorando, aliquantò prolixius: vt pro­
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              inde non mirer & tibi; & authori,
                <expan abbr="quẽ">quem</expan>
              citas, deprehen­
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              ſam fuiſſe aliquam vibrationum inconſtantiam, & in­
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              æqualitatem. </s>
              <s id="s.001134">Cæterùm res ipſa in ſe eſt omninò cer­
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              ta: & vel ex eo, quod deprehendiſti vibrationes ſal­
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              tem peraliquod tempus ita conſonare, vt pendulum
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              ſexdecim pedum vibrationem ſemel dumtaxat perage­
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              ret, dum pendulum nouem, perageret bis, pendulum
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              quatuor, ter: pendulum vnius, quater; potuiſti intelli­
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              gere, quàm hæc egregiè congruant cum iis, quibus
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              confirmandis fuere vſurpata; cum tu interim tale nihil
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              in tuæ ſententiæ confirmationem profere poſſis. </s>
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            <p type="main">
              <s id="s.001135">
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              Opponis numero xviij. </s>
              <s id="s.001136">non ſatis àme refelli, aut erroris
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              argui ea experimenta, quibus
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              G
                <emph type="italics"/>
              alileus accelerationem motus
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              in deſcenſu grauium tam per aërem, quàm per plana quælibet
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              inclinata confirmat: nihil
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              ue à me ad luci expostulas, præter
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              experiundi modum diſſici
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              em variiſque erroribus o
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              noxium.
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              </s>
              <s id="s.001137">Nimirum eo loco id ſolùm efficere volui, vt quilibet intellige-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
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