Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 17
Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.93.
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The machine reads it as
- retransible rays had been copious enough to male the
- Rinss sensible rithout the mixture oE other rays, the
- proportion which here Was 14 to 9 ould hare been a
- licile greater, Cuppole 14; Or 14; 109.
- OBS. XIV.
- WhilE ehe Prisim was turn d about its Axis wict an
- uniform motion, to make aII the leverat COlours FaII
- luccessirels uxon the Object. Cilastes, and therebr t0
- make the Rines contraet and dilate: The contraction
- or dilation ot cach Ring thus made by the variation ot
- Is Colour ras Criftest in thered, and Nomest in the
- violet, and in the intermediate Colours it had inter-
- mediate degrees ot celeritr. Comparins the quantity
- ot contraction and dilation made by all the degrees ot
- each Colour, I Found that it Wras greatest in the red;
- less in the rellor, siIl less in the blue, and least in the
- violet. And to make as just an estimation asl could ot the
- proportions oftheir contractions or dilations, lobserved
- that the Wtole contraction or dilation of the Dinmeter
- OF any Rins made by aII the degrees oF red, Wras to that
- oF the Diameter oF the lame Rine made by aII the de-
- siees oFriolet, as about Four to three, or Aire to Four, and
- chat wrhen the Lisht ras of the midele Colour betireen
- vellorr and sreen, the Diameter ot the Rins Wras very
- nearly an arithmetical mean betreen the greatest Dia-
- meter ot the Came Ring made by the outmost red, and
- the lealt Diameter thereot made by the outmost violet:
- Contrary to irhrat happens in the Colours of the oblone
- Spectrum made by the retraction ot a Prism, Where the
- red ismost contracted, the violet most expanded, and
Cite
Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 17. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0189?run=74