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

Page concordance

< >
Scan Original
111 93
112 94
113 95
114 96
115 97
116 98
117 99
118 100
119 101
120 102
121 103
122 104
123 105
124 106
125 107
126 108
127 109
128 110
129 111
130 112
131 113
132 114
133 115
134 116
135 117
136 118
137 119
138 120
139 121
140 122
< >
page |< < (98) of 393 > >|
11698
1. Si punctum Z cadat inter C, & K, fac DZ + {I/R} KZ. DZ : :
11Fig. 152,
153. DK. DY; & cape DY ad partes lentis verſus K.
2. Si punctum Z cadat extra CK, & ſit inſuper DZ & gt; {I/R} KZ,
fac DZ & gt; {I/R} KZ. DZ : : DK. DY; & cape DY ad partes lentis
verſus K.
3. Si DZ = {I/R} KZ, imago Y infinitè diſtabit.
4. Si DZ & lt; {I/R} KZ; fiat {I/R} KZ - DZ. DZ : : DK. DY, &
cape DY ad partes lentis adverſas ipſi K.
De ſenſibiliter autem propinqua diſtantia radiantium ſeu divergentes
radios emittentium punctorum (qualia ſemper deſignat punctum A)
imagines (ut & illæ quas ad ejuſmodi puncta convergentes efficiunt
radii) hoc pacto determinantur.
_I._ Ad lentem plano-planam diverg.
22Fig. 154,
155.
_II._ Ad lentem plano-planam converg.
Fiat {R. I : : AB. BZ, & \\ I. R : : DZ. DY.
Breviùs. Fiat I. I - R : : BD. AY.
_III._ Ad lentem plano-convexam diverg.
33Fig. 156.
_IV._ Ad lentem plano concavam converg.
Fiat R. I : : AB. BZ. & cum Z cadit
1. Extra DK, ſi {I/R} KZ & gt; DZ; fac {I/R} KZ - DZ. DZ : :
DK. DY; & cape DY ad partes lentis adverſus A.
2. Si {I/R} KZ = DZ; imago diſtabit infinitè.
3. Si {I/R} KZ & lt; DZ; fac DZ - {I/R} KZ. DZ : : DK. DY; &
eape DY verſus A.

Text layer

  • Dictionary

Text normalization

  • Original
  • Regularized
  • Normalized

Search


  • Exact
  • All forms
  • Fulltext index
  • Morphological index
Impressum