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# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 113, page id 727094130:0125
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=125
# Source image: https://digitale-sammlungen.gwlb.de/content/727094130/jpgs/default/00000125.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 37 lines, status machine
# Lines: 37 recognised, mean confidence 0.87
# 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.

CLI3
cenero mocus apparentis B, ducancur recta BL, B2, B3; ITA UE
atouli EB2, 2 B3, inc mocus apparences Oblervaci; et ex dacis
arcubus +2, 23, nimirum moribus mediis; e angulis TB2,
2B3, mocibus apparentibus; quaericur excentricicas AB, _
aphelii policio A B 2: Producatur 2B, ulque 2d peripheriam in D;
_ UICAEUE PET CeHErUII A, recta 2 D piraIICIA, AL; Q demicca
cur exCemrO A, in sectam 2 D perpendicularis A C, quae dividee
rectam 2 Dbitariam in C; ericque (inus arcus l. 2: deinde, jun
Bantur linex=D, 3D; e in crianigulis FBD, 3B D, danEuF an-
suli ad D; vix. dimidia mocuum mediorum, Peu arcuu X 2, 2 33
ex anguli ad B, nempe relidua angulorum observatorum LB 3, 2
B 3, ad duos rectos: dabuncur igitur, ec anguli B LI, B3D; aC
Proinde ratio B D, ad ID; _BD, ad D3: erxO daTUFFAtIO FD
ad 3 D: e daca ratione chordarum LD, 3 D, _ arcuum lumma,
ID3: (reliduum nempemoruum mediorum ad incesrum circu-
luM) InVeNIANEuE aECUS LD, 3D; _ rectae FD, 3D, BD, in
parcibus, quarum radius A L. est 100000: _ differenria arcuS FD
+ X2, Vel 23+ 3 D, _ Pemicirculi, aequalis erie duxlo iplius l. 2
dabitur proinde areus I. 2, _ ejus linus AC, cum sinu comple-
menci CD, _quo, recta D B ablaca, relinquitur B C: ex daris de-
Dique, in criangulo rectangulo A B C, laceribus AC, BC; inve-
niancur A B excentricieas, ex angulus ABC, aphcliipolicio, ab
observatione 2, Oux invenire oporruir.
 
ole lCOCLc
Si Plancta, in linea elliprica aequaliter moveatur circa unum etlipseos
focorum; apparenter verocirca alterum: foco moensaequalis, cen-
ero circuli excentrici posito, enius radius aqualis est transverso ax
ellipseos; s supposito, planetam eodem moen medio moveri in cir-
culoexcentrico; erit motus apparens in circulo excentrico, media
arichmetica, inter motum medium communem, e motum apparen-
rem, in ellipsi: eodem semper posito, centro moins apparensis, nempe
altero ellipseos foco.
 et etu ide basco Fllttuttau ceceot d
adO; aequalicer cirea focum M; et apparemer citCa FOcuM S.
Sitque