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

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            <p type="main">
              <s>
                <pb xlink:href="018/01/079.jpg" pagenum="71"/>
              Sinus anguli ACE, eiusque Sinus Verſus eſt
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              DE. </s>
              <s>At CD eſt æqualis Sinui Recto anguli
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              CAD obſeruati; eſt ſiquidem CD æqualis
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              ſinui complementi anguli C. </s>
              <s>Igitur quæ
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              Ratio eſt ipſius DE Sinus Verſi complemen­
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              ti anguli obſeruati, ad DC Sinum anguli A
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              obſeruati, ea eſt ipſius altitudinis notæ BA,
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              ad| quæſitam terræ ſemidiametrum BC. </s>
              <s>
                <lb/>
              Quarè ſinum anguli obſeruati 99997.67348
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              deme ex Radio, & remanet 232652. Sinus
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              Verſus complementi.Iam ſi fiat vt 232652.
                <lb/>
              ad 99997.67348, ita nota altitudo ped.
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              480. ad ped. 20631193, eadem inuenitur
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              ſemidiameter, quæ ſuperiùs per Algebram
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              innotuit. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="note36"/>
                <emph type="italics"/>
              XXXVI
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              Idem aliter
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              et breuiſſi­
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              mè.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Merſ.
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              </s>
              <s> Si perfici res commodè poſſit ſinè
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                <arrow.to.target n="note37"/>
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              inueſtigatione anguli, quem cum perpendi­
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              culo facit opticus radius ſphæricam terræ ſu­
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              perficiem tangens, angulum illum libens
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              prætermitterem: vix enim ſcio, quàm exa­
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              ctè deprehendi queat, quamuis organis di­
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              ligentiſſimè elaboratis non caream. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="note37"/>
                <emph type="italics"/>
              XXXVII
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              Quam exa­
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              ctè obſerua. </s>
              <s>
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              ri poſsint
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              anguli.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
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              </s>
              <s> Omnem mihi eximo ſcrupulum,
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              ſi quando contingat in Quadrante lineas, in
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              quibus minuta diſtinguuntur, ita obliquè ſe­
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              cari â perpendiculo, vt anceps hæream, in
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              quam minuti partem cadat, cum tameņ
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              etiam ipſas minutorum minutias perſequi </s>
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          </chap>
        </body>
      </text>
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