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

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              <s id="s.001995">
                <pb pagenum="266" xlink:href="028/01/306.jpg"/>
              poſſunt Terram inter, & Lunam ſemidiametri Terræ
                <lb/>
              interponi. </s>
              <s id="s.001996">Vnde & cùm infers,
                <emph type="italics"/>
              Deberet igitur corpus
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              graue quodcumque iuxta Terram ſuspenſum, aut ipſi etiam
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              Terræ inſiſtens maius exhibere pondus, quàm longiùs à Terræ
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              ſuspenſum: itemque per centum pedes Terræ vicinos velociùs
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              deſcendere, quàm per totidem alios pedes à Terra remotiores:
                <emph.end type="italics"/>
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              Dico, ne, ſi turrim quidem habueris tribus, pluribúſve
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              milliaribus altam, exhiberi poſſe pondus maius ad
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              pedem turris, quàm ad faſtigium, quoniam decremen­
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              tum attractionis (& conſequenter grauitatis) quod ſe­
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              cundum altitudinem turris fiet, erit longè inſenſibi­
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              lius, quàm ſit decrementum virtutis Magnetis per mil­
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              leſimam partem digiti. </s>
              <s id="s.001997">Res ſe perinde habet, vt ſi ac­
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              ceſſeris ad
                <expan abbr="arborẽ">arborem</expan>
              decimo à te milliari diſtantem. </s>
              <s id="s.001998">Nam
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              verum quidem eſt apparentem arboris magnitudinem
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              continenter increſcere; at non proptereà vbi fueris,
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              vno, duobus, tribus, imò pluribus paſſibus promotior,
                <lb/>
              obſeruabile erit aliquod diſcrimen magnitudinis in­
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              creſcentis. </s>
              <s id="s.001999">Atque eadem quidem erit cauſſa, quare
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              acceptis pedibus altitudinis aliquot, ſiue ad faſtigium,
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              ſiue ad medium, ſiue ad pedem turris, lapis eos vbivis
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              æquè velociter percurrat; quoniam & ſimplex attractio
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              erit ad ſenſum eadem; & compoſita pari modo ad ac­
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              celerationem conducet. </s>
              <s id="s.002000">Heinc &, cùm paucis inter­
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              poſitis in eandem ſententiam concludis,
                <emph type="italics"/>
              euidens eſt igi­
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              tur grauia Magneticè deorsùm à Terra non trahi:
                <emph.end type="italics"/>
              vides, vt
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              hoc euidens fiat, euidens priùs fieri debere, attractio­
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              nem ferri à Magnete ſenſibiliorem eſſe vna digiti mil­
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              leſima parte prope ipſum Magnetem, quàm duabus.
                <lb/>
              </s>
              <s id="s.002001">Quippe ſeruanda proportio eſt inter attrahentia, attra­
                <lb/>
              cta, & interualla attractionis. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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