Stevin, Simon, Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis, 1605

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          <head xml:id="echoid-head508" xml:space="preserve">PROPOSITIO.</head>
          <p>
            <s xml:id="echoid-s4878" xml:space="preserve">Ponderum trochleis ſublimè tractorum formas inqui-
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            rere.</s>
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          <p>
            <s xml:id="echoid-s4880" xml:space="preserve">PRiuſquam rem ipſam exordimur generaliter intelligito, & </s>
            <s xml:id="echoid-s4881" xml:space="preserve">cogitatione
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            concipito, datum pondus hic conſtitui à trochlea infima cum pon-
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            dere ipſi alligato: </s>
            <s xml:id="echoid-s4882" xml:space="preserve">præterea differentiam gravitatis quæ à funibus exiſtit,
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            nullius momentià nobis nunc æſtimari.</s>
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          <head xml:id="echoid-head509" xml:space="preserve">I Exemplum ponderum quærectà attolluntur.</head>
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            <s xml:id="echoid-s4884" xml:space="preserve">Eſto in primo hoc diagrammate trochlea A, ex qua dependet pondus B, fu-
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            nis C D E F, cujus duæ partes C D, F E parallelæ ſint, & </s>
            <s xml:id="echoid-s4885" xml:space="preserve">utraque horizonti
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            perpendicularis, Quibus poſitis, totoq́ue pondere B ita è duabus iſtis partibus
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            C D, F E ſuſpenſo, ututraque pars pari potentia afficiatur, etiam ſingulis pro-
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            pter orbiculi volubilitatem cedet ſemiſſis ponderis B. </s>
            <s xml:id="echoid-s4886" xml:space="preserve">quamobrem ſi quis ma-
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            nu ſua funem in F ſuſtineat, is ferret gravitatem dimidii ponderis B, ex quo </s>
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