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# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 120, page id 727094130:0132
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=132
# Source image: https://digitale-sammlungen.gwlb.de/content/727094130/jpgs/default/00000132.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 42 lines, status machine
# Lines: 42 recognised, mean confidence 0.86
# 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.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

23. RIt JuSo
L 120
clano echprica Despentcutats TO, ulqs ad planum orbis plare
carit in O:. ec jungatur SO recta, qua necestario est in plano or-
bis plonecarii. In cri
angulo NS T, dacur la-
CuSSI ex cheocia TCrTa,
angulus NSFex lOcOnO-
dicoenito, angulus N. I
S exobserratione; dan-
cur igicur angulus THS,
latuS TN, laTUS NS.
Deinde dacis, orbis pla-
necarii cum eclipriea
inclinatione, ec angnlo
ISN dictancIa FCFFX 2
nodo; dabieur angulus
OST: _ ut TN ad 75,
ita cangens anguliosT.
ad cangentem anguli O
NVT; dacur igitur an-
Bulus ONT, X innores-
cicangulussTB ex obser-
vacione, ideoqs in trian-
oulosHT, c daris omni-
bus anoulis, cum laceren
T, datur ec latus 5H: d
eD, C dacis anguto 5HB, ec latere 5NI,
innocecie lacusNB. Deinde in Carsgulo BNIS, C datis laceribus BN.
NS, cum angulo intercepro B lNS, reperiuntur latus B5, _ angulus
B. II. lohgicudo cencrica platua in cclipcica, a lineanodorum com
pucaca; _ in criveulo splarlco rectangulo in superioribus figuris C
BIY, Clacis lacere BHI, nempe angulo BSHI in hac toura; et anouloB
e C orbium inclinatione, Macur BC lacus, hoc elt angutus BS5,
lacicudo centr ca, et lacus C. C hoc est angulus 5 S H, longirudo pla-
necae centrica in Tuo orbe, a nodorum computata: e proin-
de enuur secunda ejus dalicas. Tandem in criangulosS B
rectanguload B, c daris BS, BS5; non ignorabitur lalus 55, di-
Aav: ia planerx a Cole,  siuibii
des1. Co),d
Abp.
in criatB rostangulo