Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/093.jpg" pagenum="79"/>
              quintâ, ducantur lineolæ parallelæ ipſi CA,
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              donec diagonalem attingant: & his paratis
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              habetur vncia AC diuiſa in partes 500, vel
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              ſaltem in 250, ſi differentia inter duas pro­
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              ximas lineolas ſenſibilis non ſit. </s>
            </p>
            <p type="main">
              <s>Quamuis autem tam exiguum triangu­
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              lum AEB non ſit aptum ad acutiores angu­
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              los inueniendos, conſtat tamen poſſe illud
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              ſinè magno incommodo conſtrui ita, vt pe­
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              des aliquot ſingula latera obtineant; & tunc
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              etiam minores angulorum particulæ innote­
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              ſcent. </s>
              <s>Quod ſi quando res ſit quàm exa­
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              ctiſsimè perficienda, poterit lateri FE addi
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              regula, ex cuius extremo ſecundùm rectam
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              AE productam ſuſpendatur perpendiculum,
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              perinde enim erit ac ſi totum triangulum
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              augeretur. </s>
              <s>At ſi ex editiore loco deorſum
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              ſpectandum ſit, & perpendiculum ex I ſu­
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              ſpenſum cadat in latus EB tam propè ipſum
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              B, vt non facilè poſsint particulæ numera­
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              ri, erigatur ad latus AE regula perpendicu­
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              laris, in qua recta ex B per I ducta faciat an­
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              gulum EIG rectum, & ſumatur IG æqualis
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              ipſi IE, & ex G ſuſpendatur perpendiculum,
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              quod intelligatur cadere ex. </s>
              <s>gr. in R. </s>
              <s>Si
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              enim concipiatur ex I aliud perpendiculum
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              IS, vtique linea IG incidens in duas paralle­
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              las IS, & GR facit angulum SIB externum </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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