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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 81, page id 1677894601:0101
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=101
# Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000101.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 19 lines, status machine
# Lines: 19 recognised, mean confidence 0.84
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
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# After the first blank line: the recognised lines in reading order, one per line.

d
BI
TTT F
L BOOn
F
P A R T TI.
PROP. I. THFOR. I.
Jhe Phanomena o Colours in refracted or reflectea Lieht
are not caused hy nere modifications of the Lie ht various-
ly imprest, accorns to the various terminations of the
De Proes By Paperiments.
F Z P F R. T.
OR if the sun ine into a very dark Chamber Fie. I.
throuoh an oblons FTOle F, Whole breadth is the
lixth or eiohth part of an Inch, or Pomethins lels; and
his Beam LII do altermards pals Arst chroueh a very
larse Prism ABC, distant about 20 Feet trom thie
ITole,
Lisht and Shadore.