Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 105
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: 0.90.
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The machine reads it as
- F
- BD. L2.
- When the beam oF the SunsLisht was resected back
- trom the Speculum not directir to the Hole in theWin-
- dorr, but to a place a little dictant trom it, the common
- CentEF OFthat SpOL, and oF aII the Rings oF C OlOurS FeII
- in the middle rar betreen the beam ot the incident
- Lishe, and the beam of the reRtected Lighe, and by
- consequence in the center of the spherical concarity ot
- ehe Speculum, Wrhenerer the Chart on wrhich the RinOS
- OF Colours Fell ras placed at that center. And as the
- beam oE rellected Light by inclinins the Speculum re-
- Ceded more and more trom the beam ot incident Lisht
- and trom the common center ot the coloured Rines be-
- tircen them, thole Rines greir bigger and bigger, and
- 10 also did the irhite round Spot, and ner RingsOFCO-
- lours emerged successirelr out ot their common center,
- and the rhite Spot became a Wrhite Rins encompalIns
- them; and the incident and reflected beams ot Light
- alirars Feil upon the opposite parts otthis Rins, illumi-
- natins its perimeter like tro moek Suns in the oppolite
- Darts oF an Tris. S0 then the Diameter oF this RII8,
- meatured From the midale ot its Lioht on one side to
- the midele oF its Lixlit on the other side, ras alvays
- equal to the distance betreen the midale ot the incident
- beam ot Light, and the midale of the reftected beam
- measured at the Chart on irhich the Rinos appeared:
- And the rays wrhich Formed this Ring vere rellected by
- che Speculum in Angles equal to their Angles oF InCI
- dence, and by conlequence to their Angles oF retraction
- de cheir entrance into the Clals, but y et their Ansles ot
- reHexion
Cite
Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 105. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0281?run=74