DelMonte, Guidubaldo, Mechanicorvm Liber

Page concordance

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          <chap id="N128CF">
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              <s id="id.2.1.91.4.1.2.0.a">
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              tentiam in A ad pondus eam habere, quam DH ad DA; poten
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              tiamq; in M ad pondus eam, quam Ok ad OM. </s>
              <s id="id.2.1.91.4.1.2.0.b">Quoniam e­
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              nim à centro grauitatis F ducta eſt kF horizonti perpendicularis,
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              ex quocunq; puncto lineæ kF ſuſtineatur pondus, manebit; vt
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              nunc ſe habet. </s>
              <s id="id.2.1.91.4.1.3.0">ſi igitur ſuſtineatur in H, manebit vt prius; ſcili­
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              cet ſublato puncto B, & PQ, quæ pondus ſuſtinent, pondus BE
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              manebit, ſicuti ab ipſis ſuſtinebatur. </s>
              <s id="id.2.1.91.4.1.4.0">quare in vecte AB graueſcet
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              in H, & ad vectem eandem habebit conſtitutionem, quam prius;
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              idcirco erit, ac ſi in H eſſet appenſum. </s>
              <s id="id.2.1.91.4.1.5.0">eadem igitur potentia ìdem
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              pondus BE, ſiue in H, ſiue in B, & Q ſuffultum, ſuſtinebit. </s>
              <s id="id.2.1.91.4.1.6.0">Potentia ve
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              rò in A ſuſtinens pondus BE vecte AB in H appenſum ad ipſum
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              pondus eandem habet proportionem, quam DH ad DA; eadem
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              ergo potentia in A ſuſtinens pondus BE in punctis BQ ſuſtenta
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              tum ad ipſum pondus erit, vt DH ad DA. </s>
              <s id="id.2.1.91.4.1.6.0.a">Similiter oſtende­
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              tur pondus BE ſi in G ſuſtineatur, manere; ſicuti à punctis BP
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              ſuſtinebatur: & in puncto k, vt à punctis BR. </s>
              <s id="N12FFF">quare potentia in
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              L ſuſtinens pondus BE ad ipſum pondus ita erit, vt NG ad NL.
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              </s>
              <s id="N13004">potentia verò in M ad pondus, vt OK ad OM; hoc eſt vt diſtan
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              tia à fulcimento ad punctum, vbi à centro grauitatis ponderis ho
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              rizonti ducta perpendicularis vectem ſecat, ad diſtantiam à fulci­
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              mento ad potentiam. </s>
              <s id="id.2.1.91.4.1.7.0">quod demonſtrare quoq; oportebat. </s>
            </p>
            <p id="id.2.1.92.1.0.0.0" type="margin">
              <s id="id.2.1.92.1.1.1.0">
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              1
                <emph type="italics"/>
              Huius de libra.
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              </s>
              <s id="id.2.1.92.1.1.2.0">
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              1
                <emph type="italics"/>
              Huius.
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              </s>
            </p>
            <p id="id.2.1.93.1.0.0.0" type="main">
              <s id="id.2.1.93.1.1.1.0">Si verò LAM eſſent fulcimenta, & potentiæ in NDO; ſimi
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              liter oſtendetur ita eſſe potentiam in N ad pondus, vt LG ad L
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              N; & potentiam in D, vt AH ad AD; & potentiam in O, vt
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              Mk ad MO. </s>
            </p>
          </chap>
        </body>
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    </archimedes>