Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 1: Opera mechanica

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            <s xml:id="echoid-s174" xml:space="preserve">
              <pb file="0018" n="18" rhead="HUGENII VITA."/>
            tra hæc duo præ ceteris antecellunt, magnitu-
              <lb/>
            dine Teleſcopiorum quibus inſervire debent, &</s>
            <s xml:id="echoid-s175" xml:space="preserve">, ſi
              <lb/>
            Auctori noſtri fidem habeamus, excellentiâ ; </s>
            <s xml:id="echoid-s176" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0018-01" xlink:href="note-0018-01a" xml:space="preserve">Vide pag.
                <lb/>
              698.</note>
            jus deſtinatum erat Teleſcopio ducentorum & </s>
            <s xml:id="echoid-s177" xml:space="preserve">de-
              <lb/>
            cem pedum, alterum Teleſcopio centum & </s>
            <s xml:id="echoid-s178" xml:space="preserve">ſe-
              <lb/>
            ptuaginta. </s>
            <s xml:id="echoid-s179" xml:space="preserve">Hæc duo nunc poſſidet Anglia. </s>
            <s xml:id="echoid-s180" xml:space="preserve">Mul-
              <lb/>
            ta alia Teleſcopiis, centum pedes excedentibus,
              <lb/>
            ut & </s>
            <s xml:id="echoid-s181" xml:space="preserve">minoribus, inſervientia apud heredes adhuc-
              <lb/>
            dum ſuperſunt.</s>
            <s xml:id="echoid-s182" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s183" xml:space="preserve">Anno 1656 tractatum conſcripſit de ratiociniis
              <lb/>
            in ludo aleæ , editus hic fuit ad calcem
              <note symbol="*" position="left" xlink:label="note-0018-02" xlink:href="note-0018-02a" xml:space="preserve">Vide pag.
                <lb/>
              723.</note>
            tionum Mathematicarum Schotenii. </s>
            <s xml:id="echoid-s184" xml:space="preserve">Methodum
              <lb/>
            in hoc tractatu demonſtravit ipſam ſortem com-
              <lb/>
            putationi Mathematicæ ſubjiciendi, primuſque pu-
              <lb/>
            blici juris fecit principia artis poſt illum ad vix
              <lb/>
            ſperandam perfectionem prolatæ.</s>
            <s xml:id="echoid-s185" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s186" xml:space="preserve">Anno 1657 primus mortalium tempus exactiſ-
              <lb/>
            ſime menſuravit, pendula dum Horologiis appli-
              <lb/>
            cavit. </s>
            <s xml:id="echoid-s187" xml:space="preserve">Ante illum Aſtronomi adhibitis pendulis
              <lb/>
            tempus quidem menſurabant, ſed ad exigua in-
              <lb/>
            tervalla, cum pendula talia homine indigerent
              <lb/>
            qui curaret ut in motu perſeverarent. </s>
            <s xml:id="echoid-s188" xml:space="preserve">Ipſe au-
              <lb/>
            tem ope Horologiorum perpetuum quaſi pendu-
              <lb/>
            lis motum communicavit, ponderibus enim Horo-
              <lb/>
            logia agitabantur, quæ, non mutata actione in
              <lb/>
            Horologia, elevari poterant.</s>
            <s xml:id="echoid-s189" xml:space="preserve"/>
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            <s xml:id="echoid-s190" xml:space="preserve">Perſuaſum habebat talia Horologia & </s>
            <s xml:id="echoid-s191" xml:space="preserve">mari uſu
              <lb/>
            venire poſſe, & </s>
            <s xml:id="echoid-s192" xml:space="preserve">nil præter hæc in nave requiri
              <lb/>
            ad determinandas longitudines.</s>
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