Harriot, Thomas, Mss. 6789

List of thumbnails

< >
941
941 (471r)
942
942 (471v)
943
943 (472r)
944
944 (472v)
945
945 (473r)
946
946 (473v)
947
947 (474r)
948
948 (474v)
949
949 (475r)
950
950 (475v)
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page |< < (535r) of 1074 > >|
    <echo version="1.0RC">
      <text xml:lang="eng" type="free">
        <div type="section" level="1" n="1">
          <pb file="1067.jpg" o="535r" n="1067"/>
          <head xml:space="preserve"/>
          <p>
            <s xml:space="preserve"> one Example will make this playne. Suppose you be to
              <lb/>
            the southward of the Lysard & in the syght of 48 degrees
              <lb/>
            the 10 of February next this year 1595. And that you
              <lb/>
            find the sonne to rise 7 degrees to the southwards of the East
              <emph style="st">of</emph>
            by
              <lb/>
            such a compasse as hath the wires doe </s>
          </p>
          <p>
            <s xml:space="preserve"> Then loke in
              <emph style="st">your</emph>
            the sonnes regiment & you shall find the decli-
              <lb/>
            nation of the sonne for that 10th day at noon 1595 to be
              <math>
                <mstyle>
                  <mn>1</mn>
                  <mn>0</mn>
                  <mo>.</mo>
                  <mn>5</mn>
                  <mn>8</mn>
                  <mo>"</mo>
                </mstyle>
              </math>
              <lb/>
            south
              <emph style="super">erly</emph>
            . you may see that the day before it was more by
              <math>
                <mstyle>
                  <mn>2</mn>
                  <mn>1</mn>
                  <mo>"</mo>
                </mstyle>
              </math>
            . & there-
              <lb/>
            fore that morning it ought to be more by
              <emph style="super">almost a</emph>
            quarter of
              <math>
                <mstyle>
                  <mn>2</mn>
                  <mn>1</mn>
                  <mo>"</mo>
                </mstyle>
              </math>
            which
              <lb/>
            is
              <math>
                <mstyle>
                  <mn>5</mn>
                  <mo>"</mo>
                </mstyle>
              </math>
            . & therefore the declinatin of the sonne at that present time
              <lb/>
            is
              <math>
                <mstyle>
                  <mn>1</mn>
                  <mn>1</mn>
                  <mo>.</mo>
                  <mn>3</mn>
                  <mo>"</mo>
                </mstyle>
              </math>
            . but a few minuts in this
              <emph style="st">reckoning</emph>
              <emph style="super">case</emph>
            would not be regarded
              <lb/>
            but you may take the declination as you finde it at noone
              <lb/>
            that day, which you may
              <emph style="st">come to be to</emph>
              <emph style="super">account</emph>
            11 degrees & because it cometh
              <lb/>
              <emph style="super">nere</emph>
            thereunto.
              <emph style="st">nere to hand</emph>
            </s>
          </p>
          <p>
            <s xml:space="preserve"> Then in the table of the sonnes rising & setting, right
              <lb/>
            agaynst the hight of 48 degrees & under the declination
              <lb/>
            of 11. deg. you shall find 15 degrees & 33 minuts which
              <lb/>
            is the amplitude of the sonnes rising from the true East
              <lb/>
            And to be southwards of the east so much because the sonne
              <lb/>
            had south </s>
          </p>
          <p>
            <s xml:space="preserve"> Now marke
              <emph style="st">[???]</emph>
            upon the compasse upon what degrees
              <lb/>
            the sonne rose; then reckon
              <emph style="st">
                <math>
                  <mstyle>
                    <mn>1</mn>
                    <mn>6</mn>
                    <mo>.</mo>
                    <mn>3</mn>
                    <mn>3</mn>
                    <mo>"</mo>
                  </mstyle>
                </math>
              </emph>
            from it northward
              <lb/>
            according to your rule, because the sonne hath such a decli-
              <lb/>
            nation, the nomber of 16 degrees
              <emph style="super">& 33 minutes, or 16 degrees</emph>
            & a half; & you shall
              <lb/>
            find them to end
              <emph style="st">at</emph>
            9 degrees & a half to the north-
              <lb/>
            wardes of the East of the compasse. And so much doth
              <lb/>
            the true east vary or differre from that of your compasse.
              <lb/>
            And so per consequence all the poyntes else from that truth.
              <lb/>
            That is to says the East of your compasse doth vary 9 degrees & a half
              <lb/>
            to the southwardes from the truth; And therefore the north of your
              <lb/>
            compasse so much to the Eastwards; The South poynt to the westwards
              <lb/>
            And your west poynt to the Northwards. But of what poynts
              <lb/>
            so ever you register in your booke the variation, you must specially
              <lb/>
            note the variation of the North poynt, becasue it is the cheefest
              <lb/>
            poynt in name, & all the rest wilbe ordered by </s>
          </p>
        </div>
      </text>
    </echo>