# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/727094130:0109
# Permalink to this reading: https://leibnizlegible.com/page/727094130:0109?run=74
# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 97, page id 727094130:0109
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=109
# Source image: https://digitale-sammlungen.gwlb.de/content/727094130/jpgs/default/00000109.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.79
# 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.

C, disterenria pardatasium quaelica; quam invenise opOr-
ruIE.
FOF
EIUS CR
Tus, In
quo
Phaeno-
MenOn
Oblerva-
Tur in
zenich.
eAt Faci-
AIuS;
quorin
am di-
Ferencia dictanciarum apparentium a polo, nimirum RO, aequa
cur, non Colum differentixe parallaxium, sed eriam ipsi parallaxi,
inferioris obserracionis; Phanomenon enim in veruce nullam ha-
bec parallaxem.
cIE, D D F Parallatis superioris observacionis, aequalis F
ettad 13
FC, hE parallaxis inferioris observationis, eric earum differenria
10 olu
Datis ancummious, e latitudinibus, duorum locorum, in slobo
terreno; ansulos, quos commune Aximuth, cum C Meridianis lo-
eorum fabit; es locorum distantiam invenire.
Plllao Scolaala Maooolua. Coltat, OTMHCS
circulos Arimuthales ense comunes.
Secundo, Si Cola lacirudine differane, meridianus circulus elle
uh commune.
dc
Terrio, Si longirudinecancum; vel lonsicudine, ee lacirudine dit.
CTAMF