DelMonte, Guidubaldo, Mechanicorvm Liber

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          <chap id="N1043F">
            <pb n="28" xlink:href="036/01/069.jpg"/>
            <p id="id.2.1.51.1.0.0.0" type="main">
              <s id="id.2.1.51.1.2.1.0">Habeat autem libra AB
                <lb/>
              centrum C in ipſa libra, atq;
                <lb/>
              in eius medio: erit C libræ
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              centrum quoq; grauitatis;
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              à quo ipſi AB, horizontiq;
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              perpendicularis ducatur FC
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              G. </s>
              <s id="N11FBF">ponatur deinde in B
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              quoduis pondus; erit totius
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              magnitudinis centrum gra­
                <lb/>
              uitatis putá in E; ita vt CE
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                <figure id="id.036.01.069.1.jpg" place="text" xlink:href="036/01/069/1.jpg" number="53"/>
                <lb/>
              ad EB ſit, vt pondus in B ad libræ grauitatem. </s>
              <s id="id.2.1.51.1.2.2.0">& quoniam CE
                <lb/>
              non eſt horizonti perpendicularis, libra AB, atq; pondus in B
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              in hoc ſitu nunquam manebunt; ſed deorſum ex parte B mouebun
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              tur, donec CE horizonti fiat perpendicularis. </s>
              <s id="id.2.1.51.1.2.3.0">hoc eſt donec li­
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              bra AB in FG perueniat. </s>
              <s id="id.2.1.51.1.2.4.0">ex quo patet, quolibet pondus in B
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              circuli quartam ſemper deſcribere. </s>
            </p>
            <p id="id.2.1.51.2.0.0.0" type="main">
              <s id="id.2.1.51.2.1.1.0">Sit autem centrum C in­
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              fra libram AB. </s>
              <s id="N11FEA">ſitq; DCE
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              perpendiculum. </s>
              <s id="id.2.1.51.2.1.2.0">ſimiliter
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              poſito in B pondere, cen­
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              trum grauitatis magnitudi
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              nis ex AB libra, & ponde
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              re in B compoſitæ in linea
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              DB erit; vt in F; ita vt DF
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              ad FB ſit, vt pondus in B
                <lb/>
                <figure id="id.036.01.069.2.jpg" place="text" xlink:href="036/01/069/2.jpg" number="54"/>
                <lb/>
              ad libræ pondus. </s>
              <s id="id.2.1.51.2.1.3.0">Iungatur CF. </s>
              <s id="N12008">& quoniam CD horizonti eſt
                <lb/>
              perpendicularis; linea CF horizonti nequaquam perpendicula­
                <lb/>
              ris exiſtet. </s>
              <s id="id.2.1.51.2.1.4.0">quare magnitudo ex AB libra, ac pondere in B com
                <lb/>
              poſita in hoc ſitu nunquam perſiſtet; ſed deorſum, niſi aliquid
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              impediat, mouebitur; donec CF in DCE perueniat: in quo ſitu
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              libra vná cum pondere manebit. </s>
              <s id="id.2.1.51.2.1.5.0">& punctum B erit vt in G, atq;
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              punctum A in H, libraq; GH non amplius centrum infra, ſed ſu
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              pra ipſam habebit. </s>
              <s id="id.2.1.51.2.1.6.0">quod idem ſemper eueniet; quamuis mini­
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              mum imponatur pondus in B. </s>
              <s id="N12023">ergo priuſquam B perueniat ad
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              G; neceſſe eſt libram, ſiue trutinæ deorſum poſitæ, vel alicui </s>
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          </chap>
        </body>
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