Barrow, Isaac, Lectiones opticae & geometricae : in quibus phaenomenon opticorum genuinae rationes investigantur, ac exponuntur: et generalia curvarum linearum symptomata declarantur

Page concordance

< >
Scan Original
91 73
92 74
93 75
94 76
95 77
96 78
97 79
98 80
99 81
100 82
101 83
102 84
103 85
104 86
105 87
106 88
107 89
108 90
109 91
110 92
111 93
112 94
113 95
114 96
115 97
116 98
117 99
118 100
119 101
120 102
< >
page |< < (79) of 393 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div113" type="section" level="1" n="19">
          <p>
            <s xml:id="echoid-s5047" xml:space="preserve">
              <pb o="79" file="0097" n="97" rhead=""/>
            Rρ :</s>
            <s xml:id="echoid-s5048" xml:space="preserve">: CF. </s>
            <s xml:id="echoid-s5049" xml:space="preserve">Fβ quapropter erit ex æquo Xξ. </s>
            <s xml:id="echoid-s5050" xml:space="preserve">Rρ :</s>
            <s xml:id="echoid-s5051" xml:space="preserve">: Fγ. </s>
            <s xml:id="echoid-s5052" xml:space="preserve">Fβ.
              <lb/>
            </s>
            <s xml:id="echoid-s5053" xml:space="preserve">non diſpare ratione conſtabit eſſe Rρ. </s>
            <s xml:id="echoid-s5054" xml:space="preserve">Nv:</s>
            <s xml:id="echoid-s5055" xml:space="preserve">: Fβ. </s>
            <s xml:id="echoid-s5056" xml:space="preserve">Fα. </s>
            <s xml:id="echoid-s5057" xml:space="preserve">ergò cùm
              <lb/>
            tres Xξ, Rρ, NV ſe æqualiter excedant; </s>
            <s xml:id="echoid-s5058" xml:space="preserve">etiam tres Fγ, Fβ, Fα
              <note symbol="*" position="right" xlink:label="note-0097-01" xlink:href="note-0097-01a" xml:space="preserve">_21 hujus Lect._
                <lb/>
              _Hy
                <unsure/>
              p._</note>
            æqualiter excedent; </s>
            <s xml:id="echoid-s5059" xml:space="preserve">unde conſequetur eſſe Cα-Cβ&</s>
            <s xml:id="echoid-s5060" xml:space="preserve">lt;</s>
            <s xml:id="echoid-s5061" xml:space="preserve">Cβ-Cγ;
              <lb/>
            </s>
            <s xml:id="echoid-s5062" xml:space="preserve">nec non eſſe α G-β H&</s>
            <s xml:id="echoid-s5063" xml:space="preserve">lt;</s>
            <s xml:id="echoid-s5064" xml:space="preserve">βH-γI; </s>
            <s xml:id="echoid-s5065" xml:space="preserve">adeóque conjunctim
              <note symbol="*" position="right" xlink:label="note-0097-02" xlink:href="note-0097-02a" xml:space="preserve">_22 buius Lect_</note>
            - CH &</s>
            <s xml:id="echoid-s5066" xml:space="preserve">lt; </s>
            <s xml:id="echoid-s5067" xml:space="preserve">CH - CI; </s>
            <s xml:id="echoid-s5068" xml:space="preserve">hoc eſt CK-CL &</s>
            <s xml:id="echoid-s5069" xml:space="preserve">lt; </s>
            <s xml:id="echoid-s5070" xml:space="preserve">CL - CO; </s>
            <s xml:id="echoid-s5071" xml:space="preserve">hoc
              <lb/>
            eſt denuò LK &</s>
            <s xml:id="echoid-s5072" xml:space="preserve">lt; </s>
            <s xml:id="echoid-s5073" xml:space="preserve">OL: </s>
            <s xml:id="echoid-s5074" xml:space="preserve">Q. </s>
            <s xml:id="echoid-s5075" xml:space="preserve">E. </s>
            <s xml:id="echoid-s5076" xml:space="preserve">D.</s>
            <s xml:id="echoid-s5077" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5078" xml:space="preserve">XV. </s>
            <s xml:id="echoid-s5079" xml:space="preserve">Hinc apparet rectiùs illapſam refringenti lucem magìs inſpiſſa-
              <lb/>
            ri; </s>
            <s xml:id="echoid-s5080" xml:space="preserve">versúſque punctum Z in arctius redigi; </s>
            <s xml:id="echoid-s5081" xml:space="preserve">maximam proinde vim
              <lb/>
            ejus iſthic exeri; </s>
            <s xml:id="echoid-s5082" xml:space="preserve">focúmque combuſtionis (ad ſolem) ibi verſari.</s>
            <s xml:id="echoid-s5083" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5084" xml:space="preserve">XVI. </s>
            <s xml:id="echoid-s5085" xml:space="preserve">Conſectatur etiam radios (hujuſmodi ſaltem parallelos) quò
              <lb/>
            rectiores oculo (cujus nempe ſuperficies refractionis munus obeuntes
              <lb/>
            aut Sphæricæ ſunt, aut Sphæricas aliquatenus referunt) incidunt, eò
              <lb/>
            facilius ab ipſo readunari, ſeu propiùs recolligi.</s>
            <s xml:id="echoid-s5086" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5087" xml:space="preserve">XVII. </s>
            <s xml:id="echoid-s5088" xml:space="preserve">Quinimò tandem ex his colligitur viſibilis longinqui puncti
              <lb/>
            ſpeciem oculo, in axe poſito, circa punctum Z apparere. </s>
            <s xml:id="echoid-s5089" xml:space="preserve">Etenim ab
              <lb/>
            ei adjacentibus partibus refracti cùm præ cæteris perpendiculares (vi
              <lb/>
            proinde fortiores, & </s>
            <s xml:id="echoid-s5090" xml:space="preserve">recollectu paratiores) neque non copioſiores
              <lb/>
            affluunt; </s>
            <s xml:id="echoid-s5091" xml:space="preserve">quibus ex cauſis imaginis poſitio dependet; </s>
            <s xml:id="echoid-s5092" xml:space="preserve">ut jam ſæpiùs
              <lb/>
            admonitum: </s>
            <s xml:id="echoid-s5093" xml:space="preserve">- ἐχ{θρ}όν δέ {μο}ι {ἐστι}ὶν Αὖ
              <unsure/>
            πς ἀeιζήλως {ηῤ}ρημένα μυ{θσ}λο {γρ}ύ{ει}ν
              <lb/>
            cæterùm hâc defunctus curâ tantiſper reſpirabo.</s>
            <s xml:id="echoid-s5094" xml:space="preserve">‖</s>
          </p>
        </div>
      </text>
    </echo>
Impressum