DelMonte, Guidubaldo, Mechanicorvm Liber

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          <chap id="N13F6F">
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            <p id="id.2.1.171.5.0.0.0" type="head">
              <s id="id.2.1.171.5.1.1.0">PROPOSITIO XVII. </s>
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            <p id="id.2.1.171.6.0.0.0" type="main">
              <s id="id.2.1.171.6.1.1.0">Si vtriſq; duarum trochlearum ſingulis orbicu
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              lis, quarum vna ſupernè à potentia ſuſtineatur,
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              altera verò infernè, ibiq; affixa, conſtituta fue­
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              rit, funis circumducatur; altero eius extremo ſu
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              periori trochleæ religato, alteri verò pondere
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              appenſo; tripla erit ponderis potentia. </s>
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            <p id="id.2.1.171.7.0.0.0" type="main">
              <s id="id.2.1.171.7.1.1.0">Sit orbiculus, cuius centrum A, tro­
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              chleæ infernè affixæ; & ſit funis BCD
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              EFG non ſolum huic orbiculo circumuo
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              lutus, verùm etiam orbiculo trochleæ ſu­
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              perioris, cuius centrum k; ſitq; funis in
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              B ſuperiori trochleæ religatus; & in G ſit ap
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              penſum pondus H; potentiaq; in L ſuſti
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              neat pondus H. </s>
              <s id="id.2.1.171.7.1.1.0.a">dico potentiam in L tri­
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              plam eſſe ponderis H. </s>
              <s id="id.2.1.171.7.1.1.0.b">ſi enim duæ eſſent
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              potentiæ pondus H
                <expan abbr="ſuſtidentes">sustinentes</expan>
              , vna in
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              K, altera in B, erunt vtræq; ſimul triplæ
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                <arrow.to.target n="note255"/>
              ponderis H potentia enim in k dupla eſt
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              ponderis H, & potentia in B ipſi ponderi
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              æqualis. </s>
              <s id="id.2.1.171.7.1.2.0">& quoniam ſola potentia in L
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              vtriſq; ſcilicet potentiæ in KB eſt æqua­
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              lis. </s>
              <s id="id.2.1.171.7.1.3.0">ſuſtinet enim potentia in L; tùm po­
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              tentiam in K, tùm potentiam in B; idem
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              〈qué〉 efficit potentia in L, ac ſi duæ eſſent
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              potentiæ, vna in k, altera in B: Tri­
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              pla igitur erit potentia in L ponderis H.
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              </s>
              <s id="N152B6">quod demonſtrare oportebat.
                <figure id="id.036.01.184.1.jpg" place="text" xlink:href="036/01/184/1.jpg" number="171"/>
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