Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="040/01/289.jpg" pagenum="269"/>
              ſeen in that ſame note obſerved the ſtar in the polar altitude of 55
                <lb/>
              degrees and 58
                <emph type="italics"/>
              mi. </s>
              <s>pri.
                <emph.end type="italics"/>
              And the polar altitude of the
                <emph type="italics"/>
              Landgrave
                <emph.end type="italics"/>
                <lb/>
              was 51 degrees and 18
                <emph type="italics"/>
              mi. </s>
              <s>pri.
                <emph.end type="italics"/>
              The altitude of the ſtar in the
                <lb/>
              ridian taken by
                <emph type="italics"/>
              Tycho
                <emph.end type="italics"/>
              was 27 degrees 45
                <emph type="italics"/>
              mi. </s>
              <s>pri.
                <emph.end type="italics"/>
              The
                <emph type="italics"/>
                <lb/>
              grave
                <emph.end type="italics"/>
              found its altitude 23 degrees 3
                <emph type="italics"/>
              mi. </s>
              <s>pri.
                <emph.end type="italics"/>
              The which altitudes
                <lb/>
              are theſe noted here, as you
                <lb/>
                <arrow.to.target n="table8"/>
              </s>
            </p>
            <table>
              <table.target id="table8"/>
              <row>
                <cell/>
                <cell>
                  <emph type="italics"/>
                gr.
                  <emph.end type="italics"/>
                </cell>
                <cell>
                  <emph type="italics"/>
                m.
                  <emph.end type="italics"/>
                </cell>
                <cell>
                  <emph type="italics"/>
                gr.
                  <emph.end type="italics"/>
                </cell>
                <cell>
                  <emph type="italics"/>
                m.
                  <emph.end type="italics"/>
                </cell>
              </row>
              <row>
                <cell>
                  <emph type="italics"/>
                Tycho
                  <emph.end type="italics"/>
                Pole</cell>
                <cell>55</cell>
                <cell>58</cell>
                <cell>* 27</cell>
                <cell>45</cell>
              </row>
              <row>
                <cell>
                  <emph type="italics"/>
                Landgr.
                  <emph.end type="italics"/>
                Pole</cell>
                <cell>51</cell>
                <cell>18</cell>
                <cell>* 23</cell>
                <cell>3</cell>
              </row>
            </table>
            <p type="main">
              <s>This done, ſubſtract the leſſe from the greater, and there remains
                <lb/>
              theſe differences here
                <lb/>
                <arrow.to.target n="table9"/>
              </s>
            </p>
            <table>
              <table.target id="table9"/>
              <row>
                <cell/>
                <cell>
                  <emph type="italics"/>
                gr.
                  <emph.end type="italics"/>
                </cell>
                <cell>
                  <emph type="italics"/>
                m.
                  <emph.end type="italics"/>
                </cell>
              </row>
              <row>
                <cell/>
                <cell>4</cell>
                <cell>40</cell>
              </row>
              <row>
                <cell/>
                <cell>4</cell>
                <cell>42</cell>
              </row>
              <row>
                <cell>Parall.</cell>
                <cell/>
                <cell>2</cell>
              </row>
            </table>
            <p type="main">
              <s>Where the difference of the poles altitudes 4
                <emph type="italics"/>
              gr. </s>
              <s>4 mi. </s>
              <s>pr.
                <emph.end type="italics"/>
                <lb/>
              is leſſe than the difference of the altitudes of the Star 4
                <emph type="italics"/>
              gr. </s>
              <s>42 mi.
                <lb/>
              </s>
              <s>pr.
                <emph.end type="italics"/>
              and therefore we have the difference of parallaxes, 0
                <emph type="italics"/>
              gr. </s>
              <s>2 mi.
                <lb/>
              </s>
              <s>pri.
                <emph.end type="italics"/>
              Theſe things being found, take the Authours own figure
                <lb/>
              [
                <emph type="italics"/>
              Fig. </s>
              <s>2.
                <emph.end type="italics"/>
              ] in which the point B is the ſtation of the
                <emph type="italics"/>
              Landgrave,
                <emph.end type="italics"/>
                <lb/>
              D the ſtation of
                <emph type="italics"/>
              Tycho,
                <emph.end type="italics"/>
              C the place of the ſtar, A the centre
                <lb/>
              of the Earth, A B E the vertical line of the
                <emph type="italics"/>
              Landgrave,
                <emph.end type="italics"/>
              A D F
                <lb/>
                <arrow.to.target n="table10"/>
                <lb/>
                <arrow.to.target n="table11"/>
                <lb/>
                <arrow.to.target n="table12"/>
                <lb/>
              of
                <emph type="italics"/>
              Tycho,
                <emph.end type="italics"/>
              and the angle B C D the difference of Parallaxes. </s>
              <s>And </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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