Ceva, Giovanni, Geometria motus, 1692

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              43.
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              huius.
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            <p type="margin">
              <s id="s.000854">
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                <emph type="italics"/>
              Ex
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              41.
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              huius.
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            <p type="main">
              <s id="s.000855">
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                <emph type="italics"/>
              Scholium.
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                <emph.end type="center"/>
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              <s id="s.000856">
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              Quod hucuſque ostendimus in funiculis ponderibus de­
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              grauatis, non abſimili modo præst abimus in chordis ad
                <expan abbr="vtrã-que">vtran­
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                que</expan>
              extremitatem firmatis, & adductis, hoc tantum diſcrimi­
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              ne, vt ſi in ijs pondere ſublato, motus extremitatis ſolutæ at­
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              tendebatur, hìc media parte attractâ chordâ, & ſubinde ſui
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              iuris relictâ, vibrationem eius obſeruamus, & equidem illa
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              omnia in hunc finem oſtendimus, quippe ab hac re, plurima
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              vtiliſſimæque veritates manere poſſunt. </s>
              <s id="s.000857">Nam de arcubus poſſes
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              pulcherrima inſtitui ratio, & qui vellet armonicorum ſono­
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              rum, vel vocum per chordarum vibrationes editarum, tempo­
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              ra, cum ſoni ad aures perueniunt, inueſtigare, reor non aliam
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              viam, quàm hanc ingredi nos debere, atque indè conſonantia­
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              rum fortaſſe naturam percipere poſſe, vt primus
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              ui
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              Gal­
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              lileus quamquam vibrationes tenſarum chordarum
                <expan abbr="differãt">differant</expan>
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              ab ijs pendulorum.
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              FINIS.
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