Harriot, Thomas, Mss. 6785

List of thumbnails

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521
521 (261)
522
522 (261v)
523
523 (262)
524
524 (262v)
525
525 (263)
526
526 (263v)
527
527 (264)
528
528 (264v)
529
529 (265)
530
530 (265v)
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page |< < (261v) of 882 > >|
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            <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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            , in which it is understood that the figure from cones is inscribed, as in the previous pages, </s>
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            <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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            ,
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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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