Harriot, Thomas, Mss. 6785

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          <p xml:lang="lat">
            <s xml:space="preserve"> Sit portio sphæræ
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            , in qua
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            intelligatur figura ex conicis inscripta,
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            ut in
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            [
              <emph style="bf">Translation: </emph>
            Let there be a portion of the sphere
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                  <mi>d</mi>
                  <mi>a</mi>
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            , in which it is understood that the figure from cones is inscribed, as in the previous pages, </s>
          </p>
          <p xml:lang="lat">
            <s xml:space="preserve"> Intelligatur etiam conus
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            cuius altitudo
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            , sit æqualis
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            perpendiculari a centro sphæræ
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            ad unum latus polygoni:
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            et basis circa diametrum
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                  <mi>x</mi>
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            ,
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            sit æqualis superficiei figuræ
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            compositæ ex conicis.
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            Dico
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            [
              <emph style="bf">Translation: </emph>
            It is also understood that the cone whose altitude is
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            is equal to the perpendicular from the centre of the sphere to one side of the polygon; and the base around the diameter
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            is equal to the surface of the figure composed from cones.
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            I say ]</s>
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