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

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              <s>
                <pb xlink:href="018/01/120.jpg" pagenum="106"/>
              rectâ CG bifariam. </s>
              <s>Quare ſi angulorum ob­
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              ſeruatorum ſemidifferentiam GCF addas an­
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              gulo FCB complemento noto anguli obſer­
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              uati in B, notus eſt etiam angulus BCG; ex
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              quo, vnâ cum angulo CBG obſeruato, & la­
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              tere BG inuento, inuenitur latus CB: Cui ſi
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              addatur data altitudo BA, notum erit latus
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              CA vnâ cum angulo ad A obſeruato in trian­
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              gulo AEC rectangulo: quare & inuenitur CE
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              ſemidiameter quæſita, quæ eſt ipſi CD æqua­
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              lis, vnde innoteſcit altitudo collis BD, &
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              lineæ opticæ AE longitudo cognoſci poteſt. </s>
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            <p type="margin">
              <s>
                <margin.target id="note49"/>
                <emph type="italics"/>
              XLIX
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              Sexta me­
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              thodus ter­
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              ræ ſemidia­
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              metrum in­
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              quirendi, &
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              montis alti­
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              tudinem co­
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              gnoſcendi.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>At contingat ex edito quidem monte pro­
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              ſpici poſſe in
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                <arrow.to.target n="note50"/>
                <lb/>
                <figure id="id.018.01.120.1.jpg" xlink:href="018/01/120/1.jpg" number="30"/>
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              horizontem, ſed planè
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              ignotam eſſe montis al­
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              titudinem. </s>
              <s>Eligatur lo­
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              cus aliquis conſpicuus,
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              qui ita diſtare cenſea­
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              tur, vt perpendicula­
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              res ex vtroque loco ad
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              centrum ductæ à pa­
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              ralleliſmo deflectentes
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              ſenſu dignoſci queant. </s>
              <s>
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              Hinc enim terræ ſemidiametrum eruerę
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              poſſumus. </s>
              <s>Ex A igitur ſit linea AD terram
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              tangens: obſeruetur angulus CAD. </s>
              <s>Tum
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              ad eaſdem vel alias partes eligatur locus B </s>
            </p>
          </chap>
        </body>
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