# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/1677894601:0360
# Permalink to this reading: https://leibnizlegible.com/page/1677894601:0360?run=74
# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 168, page id 1677894601:0360
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=360
# Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000360.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.92
# 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.

L168)
Redeat jam Pb in locum Cuum priorem PB vE aU
imenta illa eranescant, d eranelcentium ratio ulti-
ina, id est ratio ultima PB ad DB, ea eric quae est
PB ad D B, existente angulo PDB recto, _ prOP.
terea in hac ratione est Buxio ipsius AB adt Auxionem
iptius PB.
Recta PB circa datum Polum P revolvens secet
alias duas positione datas rectas ABd AF in B 
F: quaeritur proportio puxionum rectarum illarum
AB D AF. Frosrediatur recta revolvens PB de
lOco Tuo P B in IOCUI ROVAIM P B reCtAS AB, A L in
punctis D _c secantem, e rectae AF parallela BC
ducatur ipsi Pb occurrens in C, _c erit BB ad BC. ut
AD ad AC, _ BC. ad F. C ut P B ad P F, e conjunctis
rationibus BB ad F C ut ABEPB ad ACKPF.
Redeat jam linea PB in locum Cuum priorem PB, 8
ausmentum eranelcens BB erit ad ausmentum era-
nelcens F. C Ut ABKCP B ad AFNcP L, ideoq; in
hrac ratione est Duxio rectae AB ad Auxionem rectae
AF.
Hinc E recta rerolrens P B lineas quatris CurraS
Policione datas secet in punctis B a li, e rectae jam
inobiles AB, AF C urvas illas tansant in Sectionum
punctis B _ F: erit Auxio Currae quam recta, AB
tansit ad tuxionem Cuerae quam recta AV tangit.
UE ABSCPB ad AE: CPF. Id quod etiam creniet
Et recta PB Curram aliquam potitione datam perpe.
tuo tansat in puncto mobilil.
Fluat quantitas x uniformiter  invenienda sit puxio
quantitatis X. Duo tempore quantitas Z Auendo
eradit X F0, quantitas X eradet X. ] on, id est
per methodum serierum infinitarum, L-) nOXR.,