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# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 131, page id 727094130:0143
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=143
# Source image: https://digitale-sammlungen.gwlb.de/content/727094130/jpgs/default/00000143.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.80
# 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.

DET MOEuI
10115 C08 Ct-
CO, ud
latus aL
GuO aD aF-
Cu LL
lacuri, re-
lingueL N
PaL acII,
Obletracio-
CU
latas DL.
quod ab ar-
nis H 5 e
abacua edsoe  funm eio A
f0p. 09. Theoremas
Ratio sins parallaxeos Phanomeni, ad sinum, altorius parallaxeos
einsdem Phonomeni, alio tempore observati; est composita ex dire-
ita proporiione sinuum, distantiarum apparentium a sole; directa
proportione distantiarum terra a sole; es reciproca proportione di-
stanciarum Phanomeni a sole.
Ic sol S, cerra tempore primxe observacionis Y, phaenomenon
Deodem rempore a; cerra tempore secundae observacionis R,
Ptianomenon B, Tolis oppoluio O. C eneroS e radioSA describa-
cur circulus ANL, _ ducanCur rectR SRTO, TA, SA, RB, SB. D:-
corationem, linusparallareos TAS, ad sinum ParallaxeOS RBS,
esse compolicam; ex racione sinus anguliST A, ad sinum anguli S
ABS FatIOnCTS, ae RS; e ratione B5, ad A5. RectXe RB, P2-
rallela ducatur TN; ee ad incerfectiones rectarum RB, TI, cum
circulO ANL, nempe L, NT, ducantur rectae SL, SN; _ ad
rectas. T. HI, RB, pespendicularis ducacur SIFd. Frirque (pertu-
12
3HS.