# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/1677894601:0220
# Permalink to this reading: https://leibnizlegible.com/page/1677894601:0220?run=74
# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 48, page id 1677894601:0220
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=220
# Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000220.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 11 lines, status machine
# Lines: 11 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.

C487
Ehat al the productions and appearances oF ColourS
in the World are derired not trom any phylical chanse
caused in Light by retraction or rellexion, but oniy
trom the rarious IXtureS Or leparations oF. PaYS, by
virtue ot their different Retransibilier or Rehexibiliey.
And in this respect the Science ot Colours becomes à
Speculation as truly mathematical as any other part ot
Optiques. I mean (0 Tar a5 ther depend on the nature
OE Lishe, and are not produced or altered by che pover
oCimagination, or by Ariteins or presins ThCLy es.