Gravesande, Willem Jacob 's, An essay on perspective

Table of handwritten notes

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          <head xml:id="echoid-head7" xml:space="preserve">AN
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          ESSAY
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          ON
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          PERSPECTIVE.</head>
          <head xml:id="echoid-head8" xml:space="preserve">CHAP. I.
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            <emph style="sc">Definitions</emph>
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            <s xml:id="echoid-s181" xml:space="preserve">1. </s>
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              <emph style="sp">PERSPECTIVE</emph>
            teaches us
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            the Manner of Delineating by
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            Mathematical Rules; </s>
            <s xml:id="echoid-s183" xml:space="preserve">that is, it
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            ſhews us how to draw geometri-
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            cally upon a Plane, the Repre-
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            ſentations of Objects according
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            to their Dimenſions and different Situations; </s>
            <s xml:id="echoid-s184" xml:space="preserve">in
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            ſuch manner, that the ſaid Repreſentations pro-
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            duce the ſame Effects upon our Eyes, as the Ob-
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            jects whereof they are the Pictures.</s>
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Impressum