Fabri, Honoré, Dialogi physici in quibus de motu terrae disputatur, 1665

Table of figures

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              <s id="s.001992">
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              aſcendat per canaliculum ſupra NO, infra NO deſcendat, neceſſe eſt, in­
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              tra vacuitatem. </s>
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              <s id="s.001993">Prætereà ſi his ſtantibus, attollatur canaliculus IE, vſque ad imam aquæ
                <lb/>
              ſuperficiem, puta vſque ad NO, tunc deſcendente Mercurio ex ſegmento
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              FG, ſubit aqua canaliculum impletque, tum canaliculum, tum vacuitatem,
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              ſiſtitque vtraque aquæ ſuperficies, tum intra, tum extra canaliculum, in ea­
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              dem libella, puta HM nec aſſurgit aqua per canaliculum altiùs contra mo­
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              rem ſolitum; ratio ex eo petitur, quòd aëris preſſio aquam per canaliculum
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              attollere nequeat, niſi ſimul attollat Mercurium; ſupponitur enim canali­
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              culus tantulum immerſus in Mercurium; hunc autem, vt dixi, attollere non
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              poteſt; hinc ſi canaliculus ita attollatur, vt ima illius extremitas ſit ſupra
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              ſuperficiem Mercurij, tunc aqua altiùs aſſurgit ſupra libellam HM, puta
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              in I, quia tunc inæqualis aëris preſſio ſuum effectum habet; neque ad
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              hunc finem Mercurius, vt ante, attollendus eſt, ſed aqua ſola; ſi demum
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              ex illo ſitu, quo ima baſis canaliculi ſupremæ Mercurij adhæret, & vtra­
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              que ſuperficies aquæ, tum in vacuitate, tum in canaliculo æquè aſſurgit in
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              HM, deprimas canaliculum vſque ad E, aquæ ſuperficies in vacuitate
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              aſcendit ſupra HM, infra quam deſcendit in canaliculo; quia ſegmentum
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              canaliculi immerſum Mercurio ex eo loco imi vaſis, quem occupat, extru­
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              dit Mercurium in vacuitatem interceptam faciliùs quàm in canaliculum,
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              propter anguſtias; quid mirum ergo, ſi ſuperficies aquæ in vacuita­
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              te aſſurgat ſupra HM, hanc enim attollit extruſus à ſegmento im­
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              merſo Mercurius, in canaliculo verò ſubſidente Mercurio, incu­
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              bans aqua etiam ſubſidit, ex his, ni fallor, reliqua facilè intelli­
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              getis. </s>
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            <p type="main">
              <s id="s.001994">
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              Auguſtin.
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              </s>
              <s id="s.001995"> Cuncta hæc illam aëris preſſionem omnino evincunt, ad
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              quam etiam multa alia, quæ vi cuidam tractrici vulgò tribuuntur, æquè
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              facilè reducere poſſum. </s>
              <s id="s.001996">Sic ſpongioſa corpora humorem dicuntur exuge­
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              re, vt panis, præſertim bis coctus, aut recens, ſpongia, pannus, terra
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              ſicca, pumex, aliaque hujuſmodi; nam pori ſeu meatus, quantumvis
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              obliqui totidem canaliculos faciunt, per quos aqua facilè aſſurgit: Vn­
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              de vis illa tractrix, vt omnino fictitia, rejicitur; item illa Fromondi fa­
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              bula, qui niſi me fallit memoria lib. 5. Meteor. cap. 2. art. 2. Vbi Conimbri­
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              cenſium aliorumque ſententias rejeciſſet, recurrit ad quaſdam partes aquæ
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              tenuiores, quæ ſurſum aſcendunt; ſed illa aqua, vbi deinde ſpongia expri­
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              mitur, æquè craſſa eſt atque alia, & aëre longè gravior; cur ergo aſcen­
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              dit? </s>
              <s id="s.001997">Idem Fromondus aquam frigidiſſimam exugi negat; ſed merum men­
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              dacium eſt. </s>
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            <p type="main">
              <s id="s.001998">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.001999"> Sine quæſo iſtum hominem; ſufficiat à te optimè deduci, il­
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              los effectus, qui vulgò ſuctioni, ſeu vi tractrici tribuuntur, ad idem prin­
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              cipium noſtrum reduci; vt autem ad illud redeam, novum experimentum
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              adduco, per quod, meo judicio, mirificè confirmatur: Sit vas quodlibet
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              aqua plenum, admoveatur canaliculus, in ſitu perpendiculari, illico aqua
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              aſſurgit; appendatur in hoc eodem ſitu canaliculus, fideli bilance, aqua, quæ
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              ſubit, nullum momentum addit ponderi canaliculi vitrei; quod vt accura-</s>
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