Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

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        <div xml:id="echoid-div2061" type="section" level="1" n="510">
          <p>
            <s xml:id="echoid-s13859" xml:space="preserve">
              <pb o="45" file="0543" n="598" rhead="MATHEMATICA. LIB. III. CAP. X."/>
            dem modo ac in experimento n. </s>
            <s xml:id="echoid-s13860" xml:space="preserve">663. </s>
            <s xml:id="echoid-s13861" xml:space="preserve">in quo vitrum V oculi
              <lb/>
              <note position="right" xlink:label="note-0543-01" xlink:href="note-0543-01a" xml:space="preserve">TAB. VI.
                <lb/>
              fig. 4.</note>
            tunicam corneam tranſlucidam repræſentat, dum aqua in
              <lb/>
            pixide humoris aquei vices gerit; </s>
            <s xml:id="echoid-s13862" xml:space="preserve">ideoque poſitis corneâ
              <lb/>
              <note position="right" xlink:label="note-0543-02" xlink:href="note-0543-02a" xml:space="preserve">714.</note>
            & </s>
            <s xml:id="echoid-s13863" xml:space="preserve">humore aqueo, dabitur pictura inverſa objectorum in
              <lb/>
            oculo .</s>
            <s xml:id="echoid-s13864" xml:space="preserve"/>
          </p>
          <note symbol="*" position="right" xml:space="preserve">710. 711:</note>
        </div>
        <div xml:id="echoid-div2065" type="section" level="1" n="511">
          <head xml:id="echoid-head679" xml:space="preserve">
            <emph style="sc">Experimentum 2</emph>
          .</head>
          <p>
            <s xml:id="echoid-s13865" xml:space="preserve">Sit P pixis ſtatim memorata, aquam continens; </s>
            <s xml:id="echoid-s13866" xml:space="preserve">detur hæc
              <lb/>
              <note position="right" xlink:label="note-0543-04" xlink:href="note-0543-04a" xml:space="preserve">TAB. IX.
                <lb/>
              fig. 4.</note>
            in loco obſcuro, in quo foramen datur diametri circiter ſe-
              <lb/>
            mi pollicis, & </s>
            <s xml:id="echoid-s13867" xml:space="preserve">cui ad certam diſtantiam reſpondent objecta
              <lb/>
            illuminata ita, ut per hoc foramen viſibilia ſint; </s>
            <s xml:id="echoid-s13868" xml:space="preserve">applice-
              <lb/>
            tur vitrum V pixidis huic foramini, & </s>
            <s xml:id="echoid-s13869" xml:space="preserve">pictura inverſa ob-
              <lb/>
            jectorum, in tabella alba T, dabitur: </s>
            <s xml:id="echoid-s13870" xml:space="preserve">motu tabeIlæ diſtantia
              <lb/>
            ad quam repræſentatio eſt exacta, detegitur.</s>
            <s xml:id="echoid-s13871" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13872" xml:space="preserve">Pictura ſtatim memorata in oculo, & </s>
            <s xml:id="echoid-s13873" xml:space="preserve">cujus imitationem
              <lb/>
            in hoc experimento habemus, ad nimiam diſtantiam à cor-
              <lb/>
            neâ, & </s>
            <s xml:id="echoid-s13874" xml:space="preserve">ultra fundum oculi, daretur; </s>
            <s xml:id="echoid-s13875" xml:space="preserve">minuitur idcirco
              <lb/>
            diſtantia ope humoris Cryſtallini denſioris mediis illum cir-
              <lb/>
              <note position="right" xlink:label="note-0543-05" xlink:href="note-0543-05a" xml:space="preserve">715.</note>
            cumdantibus; </s>
            <s xml:id="echoid-s13876" xml:space="preserve">radii enim convergentes in humore aqueo trans
              <lb/>
            cryſtallinum in humorem vitreum penetrant; </s>
            <s xml:id="echoid-s13877" xml:space="preserve">id eſt, ex
              <lb/>
            medio rariori trans denſius, duabus ſuperficiebus ſphæricis
              <lb/>
            convexis terminatum, in rarius; </s>
            <s xml:id="echoid-s13878" xml:space="preserve">quo motu convergentes
              <lb/>
            radii magis convergentes fiunt ; </s>
            <s xml:id="echoid-s13879" xml:space="preserve">ideoque citius
              <note symbol="*" position="right" xlink:label="note-0543-06" xlink:href="note-0543-06a" xml:space="preserve">700.</note>
            & </s>
            <s xml:id="echoid-s13880" xml:space="preserve">pictura memorata intra oculum cadit.</s>
            <s xml:id="echoid-s13881" xml:space="preserve"/>
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        </div>
        <div xml:id="echoid-div2068" type="section" level="1" n="512">
          <head xml:id="echoid-head680" xml:space="preserve">
            <emph style="sc">Experimentum 3</emph>
          .</head>
          <p>
            <s xml:id="echoid-s13882" xml:space="preserve">Iiſdem poſitis, quæ in experimento præcedenti, detur lens
              <lb/>
              <note position="right" xlink:label="note-0543-07" xlink:href="note-0543-07a" xml:space="preserve">TAB. IX.
                <lb/>
              fig. 4.</note>
            vitrea convexa C inter vitrum V & </s>
            <s xml:id="echoid-s13883" xml:space="preserve">tabellam T, multò ta-
              <lb/>
            men minus à vitro quam à tabellâ diſtans; </s>
            <s xml:id="echoid-s13884" xml:space="preserve">ut pictura exacta
              <lb/>
            detur, verſus V admovenda erit tabella. </s>
            <s xml:id="echoid-s13885" xml:space="preserve">In quo experimen-
              <lb/>
            to Oculum artificialem habemus, qui exactiſſimè quantum
              <lb/>
            ad motum luminis, naturalem imitatur. </s>
            <s xml:id="echoid-s13886" xml:space="preserve">Vitrum V, ut in ex-
              <lb/>
            perimento præcedenti dictum, corneam repræſentat; </s>
            <s xml:id="echoid-s13887" xml:space="preserve">lens
              <lb/>
            convexa vitrea C cryſtallini vices gerit; </s>
            <s xml:id="echoid-s13888" xml:space="preserve">tabella T pro fun-
              <lb/>
            do oculi habetur; </s>
            <s xml:id="echoid-s13889" xml:space="preserve">aqua humorum aquei & </s>
            <s xml:id="echoid-s13890" xml:space="preserve">vitrei locum te-
              <lb/>
            net, in his enim humoribus lumen æqualem patitur refra-
              <lb/>
            ctionem.</s>
            <s xml:id="echoid-s13891" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13892" xml:space="preserve">Objecta, quæ ut explicavi in fundo oculi depinguntur, in
              <lb/>
              <note position="right" xlink:label="note-0543-08" xlink:href="note-0543-08a" xml:space="preserve">716.</note>
            retinâ delineantur; </s>
            <s xml:id="echoid-s13893" xml:space="preserve">& </s>
            <s xml:id="echoid-s13894" xml:space="preserve">motu luminis fibræ tenuiſſimæ, </s>
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