Harriot, Thomas, Mss. 6787

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          <pb file="add_6787_f197" o="197" n="392"/>
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            <p>
              <s xml:space="preserve">[
                <emph style="bf">Commentary:</emph>
              </s>
            </p>
            <p>
              <s xml:space="preserve"> The text referred to here is Johan Philip
                <emph style="it">Triangulorum geometriae libri quatuor</emph>
              (1591). Lansberg's rule for finding a side of a spherical triangles, given its angles, is the final rule in Book 4, on page 201. </s>
              <s xml:space="preserve">]</s>
            </p>
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          <head xml:space="preserve" xml:lang="lat"> Datis tribus angulis quaesitur latus. Lansbergi trianguli
            <lb/>
            <lb/>
          [
            <emph style="bf">Translation: </emph>
          Given three angles, a side is sought. Solution from Lansberg, Triangulorum ]</head>
        </div>
      </text>
    </echo>
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