Apollonius <Pergaeus>; Lawson, John, The two books of Apollonius Pergaeus, concerning tangencies, as they have been restored by Franciscus Vieta and Marinus Ghetaldus : with a supplement to which is now added, a second supplement, being Mons. Fermat's Treatise on spherical tangencies

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        <div xml:id="echoid-div59" type="section" level="1" n="59">
          <head xml:id="echoid-head70" xml:space="preserve">ADVERTISEMENT.</head>
          <p>
            <s xml:id="echoid-s928" xml:space="preserve">SINCE the publication of the preceding Tract on
              <lb/>
              <emph style="sc">Tangencies</emph>
            , the Tranſlator thereof has obſerved,
              <lb/>
            that thoſe pieces of
              <emph style="sc">Willebrordus</emph>
              <emph style="sc">Snellius</emph>
            , which he
              <lb/>
            mentioned in his Preface thereto, are exceeding ſcarce
              <lb/>
            in England. </s>
            <s xml:id="echoid-s929" xml:space="preserve">His Reſuſcitata Geometria de ſectione rationis
              <lb/>
            & </s>
            <s xml:id="echoid-s930" xml:space="preserve">ſpatii, 1607, he has never once had an opportunity
              <lb/>
            of ſeeing; </s>
            <s xml:id="echoid-s931" xml:space="preserve">but ſuppoſing this ſhould in a ſhort time be
              <lb/>
            loſt, more than ample amends is made by what
              <lb/>
            Dr. </s>
            <s xml:id="echoid-s932" xml:space="preserve">
              <emph style="sc">Halley</emph>
            has done on the ſame ſubject. </s>
            <s xml:id="echoid-s933" xml:space="preserve">Leſt the
              <lb/>
            other Tract, De Sectione Determinatâ, ſhould undergo
              <lb/>
            the ſame fate with the original
              <emph style="sc">Apollonius</emph>
            , he was
              <lb/>
            determined to reſcue it therefrom, or reſpite it at leaſt
              <lb/>
            for ſome time, by putting it into an Engliſh dreſs.
              <lb/>
            </s>
            <s xml:id="echoid-s934" xml:space="preserve">While he was doing this, he happened to communicate
              <lb/>
            the piece to ſome friends; </s>
            <s xml:id="echoid-s935" xml:space="preserve">one of whom has ventured,
              <lb/>
            after
              <emph style="sc">Snellius</emph>
            , on this ſubject, and he preſumes with ſome
              <lb/>
            ſucceſs, as every Reader will allow, when he peruſes the
              <lb/>
            Propoſitions here printed after thoſe of
              <emph style="sc">Snellius</emph>
            . </s>
            <s xml:id="echoid-s936" xml:space="preserve">Yet,
              <lb/>
            notwithſtanding this, the Editor perſiſted in his reſolu-
              <lb/>
            tion of printing his tranſlation of
              <emph style="sc">Snellius</emph>
            , as the </s>
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