# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/1677894601:0273
# Permalink to this reading: https://leibnizlegible.com/page/1677894601:0273?run=74
# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 97, page id 1677894601:0273
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=273
# Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000273.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.

tranmitted From the Speculum to the ChaxE FOr many
luccessions, accordins to the rarious obliguities of its
emergence. And irhen the Colour cast on the Specu-
lum br the Priim ras varied, the Rings became ot
theColour cast on it, and raried their bigness vrith their
Lolour, and theretore the Lighe ras now alternatelv
transmitted and not transmitted from the Speculum to
the Lensat octier obliguities than betore. It scemed to
me theretore that these Rings vere oF one aud the lame
orisinal rith those of thin plates, but yet rith this
difference that those ot thin plates are made by the al-
cernate reflexions and transimistions ot the rars at thC
Second surface ot the plate alter one passase throuoh it:
But here the rays go trrice throuoh the plate betore
ther are alternately reflected and transmitted; Ars,
ther so throuoh it From the Ars Curtace to the Onick-
Eilver, and then return throueh it From the Ouick- silver
to the Arst Purtace, aud there are cither transmitted to
the ChaTE Or refected back to the Ouick-Silver, ac
cordinslr a5 ther are in their AtS oF ealie retlexion or
transnission when ther arrire at that surtace. For the
interrals oF the Res oF the rars irhich FaII perpendicu-
larly on the Speculum, and are reflected back in the
same perpendicular Lines, by reason ot the equality ot
chese Angles and Linesare of the same lensth and num-
ber within the Glals atter refexion as betore by the
T9th Proposition oF the third Part oF this B0OK. And
theretore lince aII the rays that enter throush the Ars
Turtace arc in their AES ot car transmision at their en-
trance, and as many ot these as are reffected by the le
cond are in their AEs oF casy reRlexion there, aII these
nust beagain in their fits or ealy transmission at their
TCTUTI