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# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 130, page id 727094130:0142
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=142
# Source image: https://digitale-sammlungen.gwlb.de/content/727094130/jpgs/default/00000142.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 42 lines, status machine
# Lines: 42 recognised, mean confidence 0.85
# 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.

itterentia
eum
de d
LpII
BLI
nUS
u
30
at HILC: _ demmictatur a punctoC
in aximuh AHIL, arcus perpetsicularis C N: in criangulo itaq
CoL. CH rectangulo adE; C dacis, tinu lateris L. C, Tinu an-
LH; inveniatur sinus lareum C NI, L. NI; dacur aurom s
cus FINI, differentiae nimitam arcuum LH, LN. Fc candem
inrrianoulo sphaerico FINC, rectanoulo ad NV: C daris LinubuS 19-
cerum HIN, NC, inveniacur hMS laceris HIC. Ec eodem prorsus
modo inveniacur sinus arcus FIC, e daris (inubuS ArCUUM DC, CIFI.
in porcibus, guarum sinus arcus CF LH: dabicur ergo equacio.
inter sinum arcus IIC primo invenrum, e sinum cundem secundo
invencum; cujus resolurio dabit valorem radicis, nempe sinum
Paraltu0 C L.
Scholium.
HoC Problema pulcherII  habet uTum, Sed Forlan laborio.
umI, in observacionibus veneris, vel Mercurii parciculam Solis
oblcarancis: ex calibus enim lolis parallaris investigari porerit.
tlactenus loquuri sumus de patallaribus respectuelobi cerrestris:
sequuntur quxedam de parallaxibus magni OrbisFerTR.
. LToblema.
atullarem stellae frau modo sensibilem) investieare.
Tcarcus celiprica ABC D, in quo alsignerur punctum loli op
DOBEum A 3 SICC
veruslocus Hellae L, apporens N; cujus IO-L
apparentis, declinatio invenitur per alticudinem iiellae meridiz-
BaM; _ alcensio recta, per morum aliquem aequabilems vel
Scholium 86 hujus: ec proinde non larebie iptius lacitudo, quae (IE
NC: e locus in ecliprica C. Deinde, in criangulo sphaerico rect.
angulo, ANC; C daris laceribus A C, CN; invenitur lacuS AN. et
andulus C. ANV. Rursus oppolco Tolis punctum D cenence, obserre
cur ejusdem Gella (cujus verus locus L, nunc autem puarens lo-
CuSM) laticudoMB, Sc locus in ecliprica B; ex eodem modo quo
ance, invenitur arcuS MD, de angulus MDB. Tandem in crian
ulo spharico ADL, C daris ansalis ADL, DAL; de lacese 
DEt