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# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 73, page id 727094130:0085
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=85
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 39 lines, status machine
# Lines: 39 recognised, mean confidence 0.88
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
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# After the first blank line: the recognised lines in reading order, one per line.

oculi centro: Ica YD, distantia imaginis a vertice emertionis; ad
IO, distantiem imoginis ab oculi cenero: PCa puncto axeosO.
apparear imago MI INV, ansulo vitorio MI O NI. Dico angulum M
OH; elle aqualem anoulo AL. B:
Duoniam, uE VD: VI : : ID: 1O.
permurando, uFV D: ID; : VL : 1O;
UE aULEM VD: ID:: VA: TN 2
(Bieur, UE
VL: IO:: V A : TN3
criangula
IgITUT A VL, NIO, habentia angulos AVL, N IO, aequales,
utpocerectos, e latera circa aequales anculos proportionalia, Tune
similia: anoulus igitur A L V, aequalis elt angulo IO NI. Fodem
modo, demonstrabitur aequalitas, angulorum V L. B, M OI: FOLUS
igicur angulus AL B, est ae qualis eori angulo MONI. OuoderLE
demonstrandum.
EICd
  
lisdem posais; dico imacinem, eodem modo apparere illustratam,
osplo in O; quo apparet visibile, oculo in L: dummodo totum fou
ramen avea radiis illustretur.
enim, uE V C, ad V D, ica diamerer Foraminis uvex, radi-
Lis punctivisibilis V, illultrari, in L; ad diamecrum, baleos co-
ni radiorum corundem, in lenre vel speculo: acq; uc ID, ad ID;
hoc ea VI, ad V D; ira diameter Foraminis uvea, radiis puncti
visibilis V, illustraci in O, ad diamecrum baseos coni, radiorum
corundem, in praedicto quoque speculo vel lente: cum igicur dia-
mecriforaminum avex supponantur aequales; aequales quoqierunt,
in lenre vel speculo, diamerri balium, conorum, cadiorum puncti V:
quibus, illustratur Foramen urex in L, _ Forarien evex in O; Ba-
Tes ioitur horum conorum aequales erume, cumque eundem com-
munem habeancaxem V D, prorsus aequales crune; vel poriusu-
nus, e idem conusradiosus; eruntqi vires conorum radioloru,
in ilhustrando, vel comturendo (radiis in spatia aequalia nempe in
Foramina urearum aequalia reductis) in duplicata rariore, chorda-
rum, suorum semiangulorum radiolorum: cumque coniradiosi, 33.  ju5.
aquales habeane ansulosradiasos; erur ex chordxe seristium ho-
TUM
FC