Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 99
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: 0.89.
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The machine reads it as
- (99
- These Peem tO bC THC ReAIONS OF these RingS in gC
- neral, and this put me upon obserrine the thicknels oF
- the Glass, and considerins wrhether the dimentions and
- proportions ot the Rines may be truly derived From il
- by computation.
- OBS. VIIB
- I mealured theretore the thicknels oF this concaro-
- conrex plate oF Gla(s, and found it every- Wwhere i oF an
- Inch precisetr. Noi, by the bch Obserration oF the
- first Part OC this BOOK, a thin plate OF Air tran(mitS the
- briohtest LisHEOF the ArA Rine, chat is the brighe vel.
- lo, Wrhen its chickness is the epo tM Paxt OF an TnCH,
- and by the roth Obserration ot the lame part, a thin
- plate oFClalo transmits the lame Lighe oF the same Rins
- iohen its thickness is less in proportion oF the sine ot
- retraction to the sine of incidence, that is, When its
- chicknels iS che tM OF in tM Part OF an LncH, suP-
- Potins the sines are aS TY tO F7. And if this chicknels
- De doubled it transmits the lame bright LighE oF the
- Second Ring, it cripled it transinies that ot the chird,
- and (0 on, the briohe vellon Light in all thele cales be-
- ino in itS ftS oFtransmission. And theretore if its thick-
- ness be multiplied 34386 times (0 as tobecome: oF an
- Inch ic transmits che lame brighe LioHt oFthe 34386FH
- Ring. Suppose this be the bright vellon Lighe trans-
- mitted perpendicularty from the reflectins conrex sde
- OF the Gilais through the concare side tothe Wrhite Spot
- in the center oF the RingS OFColOurS On theChaRE: And
- by a rule inthe seventh Obserration in the ArH PaPF OF
- he srA BOOK, and by the 25th and 20th PropOsitiOnS
- 0
Cite
Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 99. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0275?run=74