DelMonte, Guidubaldo, Mechanicorvm Liber
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              <s id="id.2.1.145.12.1.1.0">Sit pondus A; ſit BCD orbiculus tro­
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              chleæ ponderi A alligate, cuius centrum
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              E; & FGH trochleæ ſurſum appenſæ, cu­
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              ius centrum k; & LFGHBCDM funis
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              orbiculis circumducatur, qui religetur in L
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              trochleæ inferiori; ſitq; potentia in M ſu­
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              ſtinens pondus A. </s>
              <s id="id.2.1.145.12.1.1.0.a">dico potentiam in M
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              ſubtriplam eſſe ponderis A. </s>
              <s id="id.2.1.145.12.1.1.0.b">ducantur FH
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              BD per centra kE horizonti æquidiſtan­
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              tes, ſicut in præcedentibus dictum eſt. </s>
              <s id="N14479">Quo­
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              niam enim funis FL trochleam ſuſtinet in­
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              feriorem, quæ ſuſtinet orbiculum in eius
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              centro E; erit funis in L vt potentia ſuſti­
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              nens orbiculum, ac ſi in ipſo E centro eſſet;
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              potentia verò in M eſt, ac ſi eſſet in D;
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              efficietur igitur DB tanquam vectis, cuius
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              fulcimentum erit B; pondus verò A (vt ſu
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              pra oſtenſum eſt) ex E ſuſpenſum à dua­
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              bus potentiis altera in D, altera in E ſuſten
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              tatum. </s>
              <s id="id.2.1.145.12.1.2.0">Cùm autem in pondere ſuſtinendo
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              vectes FH BD immobiles maneant, ſi in
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              funibus FL HB appendantur pondera, e­
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              runt hæc ipſa æqualia; cùm vectis FH ha­
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              beat fulcimentum in medio; alioquin ex al
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              tera parte deorſum fieret motus, quod
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              non contingit. </s>
              <s id="id.2.1.145.12.1.3.0">tam igitur ſuſtinet funis FL,
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              quàm HB. </s>
              <s id="N144AC">deinde quoniam ex medio ve­
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              cte BD pondus ſuſpenditur, idcirco ſi duæ fuerint potentiæ in BD
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              pondus ſuſtinentes, erunt inuicem æquales. </s>
              <s id="id.2.1.145.12.1.4.0">& quamquam funis </s>
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