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# Title: Leibniz-Handschriften zur Optik und Dioptrik LH 37, 2
# Folio 98v, page id 00068531:0196
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068531&page=196
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 50 lines, status machine
# Lines: 50 recognised, mean confidence 0.77
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
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incidentiae recipioci sinibus refractionis; ita
proportionalis
et sinus complementi incidentiae sinibus complement
refractionis. Unde si LR radius incidentiae productus
intelligatur, dum rectae VC paralletae ipsi sa
occurrat in C. erit RC. radius apparens (aequalis
scilicet ipsi LR). cum enim omnia nos putemus in
linea recta videre, ideo si oculus ponatur in L et
punctum radians in V. videbitur V. esse in recta
VC quantum id hunc scilicet racium: RY, jam
(quae ex natura linea
jam AN vocetur X et A.
data est) vocetur h et XR, Y et AL, b; et AV, v
ob LR: RV (secyy + (+X : ryy+B-: d 15:: 4. SB
uid. 1-h: t. v+ R). seu fiet ppro prialleli
 tain
y+l+ 2X+X, yy+D =2WXtX. (et g2. 
d. l- 2hrli: t. v+2vh +
2pa
(bt
n circulo est gy = 2aX -XX et h
et tut 1cara
vdua
=ax:a-X
et fict. Ita
 
i
qu
e
e
2
+a 2X + I in +. v4 2vbph=2ax - 2V2 NV ind. l-h
videamo an aliquo casu possimus efficere ut omnes ra–
dii puncti a colligantur in unum punctum post
refractionem, scliet faciamue id as
 t se
int seciumqu scilicels
potsioit qua
em
eat ut vene videamis
an non saltem hiceat nova aliqua superficie circulat
Elligere omnes radios quam proxime in unum
punctum fier enim pra
t noea etpanot
n cpec tip et est sonru
pro hsprend
t
xorji paratieli sit  infinita, adeoque
adco u t . 2. rax uxtB. V+
2