Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 103
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
- ut a
- IEthele Rines thusdepend on thethickness oF the plate
- oFCilaIs their Diametere at equal distances trom several
- Speculums made ot tuch concaro conrex plates oF Cilals
- as are ground on tlie lame Sphere, oushit to be recipro-
- cally in a lubduplicate proportion of the thieknestes ot
- the plates of CtaIS. And if this proportion befound
- true by experience it ill amount to a demonstration
- that thele Rings (like thole Formed in thin plates) do
- depend on thethicknels oF the Cila(s. I procured there
- tore another concaro conrex plate OE Cilals groundt On
- both Sides to the lame Sphere rith the former plate:
- les thickness iras 3. Parts ot an Inch; and the Diameters
- oF the three Arst brishe Rinss mealured betreen the
- brightest parts of their orbits at the distance ot 6 Feet
- From the Cla(S ivere 3. 45. 55. Inches. Now thethick-
- vess of the other Cilass beins : oF an Inch Wras to thick-
- nels oF this CElaIS 45 = t0 3.3 that 15 45 3T t0 1O, Or
- 370000000 t0 100000000 and the roots ot chele numbers
- arc 17607 and 10000, e in the proportion ofthe Arst.
- oF these ioots to the second are the Diameters ot the
- brishe Rings made in this Obserration by the thinner
- GIa(S, 3. 45. 55to the Diameters oF the lame Ringsmade
- in the third oCthele Obserrations by the thicker Clals
- 16. 25 212 That is, the Diameters ot the Rings are reci
- procally in a subduplicate proportion of thicknesles oE
- the plates oF CilalS.
- S0 then in plates ot GElaIS which are alike concave On.
- one side, and alike convex on the other side, and alike
- quick.silrered on the convex sides, and differ in nothine
- buE
- E
Cite
Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light, fol. 103. Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/1677894601:0279?run=74