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

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              <s>
                <pb xlink:href="018/01/078.jpg" pagenum="70"/>
              quod intercedat diſcrimen inter hanc & dia­
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              trum ſuperiùs inuentam, nil mirum, quią
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              vbi multiplex diuiſio intercedit, fractiones
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              aliquæ neglegun­
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                <figure id="id.018.01.078.1.jpg" xlink:href="018/01/078/1.jpg" number="20"/>
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              tur, vnde demum
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              aliqua oritur dif­
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              ferentia. </s>
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            <p type="margin">
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                <margin.target id="note35"/>
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              XXXV
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              Idem aliter
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              per Trigo­
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              nometriam.
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            </p>
            <p type="main">
              <s>Sed placeat hìc
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                <arrow.to.target n="note36"/>
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              vnum prætereą
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              obſeruare, quo mi­
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              rificè ſum delecta­
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              tus, cum primùm
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              animaduerti:
                <expan abbr="Do-ctrinã">Do­
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                ctrinam</expan>
              ſcilicet Tri­
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              gonometricam illud idem exhibere poſſę,
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              quod ab Algebrâ, in ſecundâ methodo indi­
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              catâ, poſt omnes æquationes ſubminiſtra­
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              tur. </s>
              <s>Fiat enim vt Sinus Verſus comple­
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              menti anguli obſeruati, ad eiuſdem anguli
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              obſeruati Sinum Rectum, ita nota altitudo
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              ad aliud, & habebitur quæſita terræ ſemi­
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              diameter. </s>
              <s>Sit enim CB terræ ſemidiame­
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              ter, BA nota altitudo, AD linea optica tan­
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              gens in D, per quod ex centro C ducatur re­
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              cta CD, quæ producta in E occurrat peri­
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              pheriæ circuli, interuallo CA, ex eodem
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              centro deſcripti. </s>
              <s>Eadem ergo eſt Ratio AB
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              ad BC, quæ eſt ED ad DC. </s>
              <s>Eſt autem AD </s>
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