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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 89, page id 1677894601:0265
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=265
# Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000265.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 32 lines, status machine
# Lines: 32 recognised, mean confidence 0.89
# 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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(89
appeared aS Lo obseure one Ox twO OPthe innermost
RingS. And theretore L uluallr placed the Speculum
at abOUE SIX Feet From the Windoi; (O thaE IES FOCUS
miohethere fall inrith the center oF its concariey at the
Rinss upon the Chart. And this posture is alirays to
be understood in the follorrins Oblerrations irhere no
Other is exprest.
OBS. C+.
The Colours of these Rain-bours Cucceeded one ano-
ther From the center outrards, in the same form and
order rith those irhich rere made in the ninth Obler-
vation oF the Arst Part oF this BoOK by Lighit not re-
Rected, but transmitted through the trro Object- CilaReS.
FOr, First, there as in their common center a white
round Spot of faint Light, Pomething broader than the
resected beam ot Lioht; wrhich beam Cometimes fel
uxon the middle of the Spot, and Cometimes by a little
inclination of the speculum receded From the midale,
and lest the Spot prhite to the center.
This ehite Spot mas immediately encompassed mith
a dark orey or russet, and that dartness ith the Co-
Jours oF the Frst Tris, Wrhich rere on the inside next
the darknels a litele riolet and indico, and next to that
a blue, irtich on the outhde srer pale, and then sUC-
cecded a little greenistr vellorr, and alter that a briehter
vellorr, and then on the outrard edse of the lris a red
Wrhich on the outside inclined to purple.
This Tris wras immediately encompassed rith a se
cond, irhole Colours vere in order trom the inside
VI
Ont