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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 74, page id 1677894601:0084
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=84
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 35 lines, status machine
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ehic Cubes ofche apertures ofthe Object. Glasses; and thence
eo makce Telescopes of rarious lenochs, magnity wich equal
28
distinctnels, the apertures ot che Object-Glalles, and the
Charges or magnitrine Porers, oushc to bcas the Cubes ot
ehic (quare RoOrS oF cheir lenochs; irhich dorh noc ansiver
EO Experience. Buc che errors of che Rays arising From
the different retrangibilicr, are 25 the apertures ot che Ob.
ject. Classes, and chence eo make Telescopes oF rarious
lenochs, magnify rich cqual distinctnels, their apertures and
charses ouphe ro be. 25 the (quare RoOrs oF their lengetis;
and chis ansivers to experience 25 is vell knoWn. For in-
Aance, a Pelelcope oF 64 Feet in lenoch, ich an aperture
OF 22 Tnches, magnities abour 120 cimes, with as much dis-
tinctnels as one oF a Foor in lengeh, with = of an Inch aper
cure, magnities 15 times.
Non ivere it noc for this differene retransibiliey oF RayS,
Pelescopes miphe be brouche to a greater Perfection than
re hare ret described, by composine che Object-Clals ot
erro Glasses rich Wacer Becreen cheM. L EE ADFC repre
sent che Object-Clals compoled ot rmo Classes ABFD and
and BEFC, alike conrex on the outsides AOD and CTIE,
and alike concare on che insides BMTE, BNE, wich Wacee
in the COnCariEY BMTENT. Lec che Sinc ot Incidence ou ef
ClaS inEO Air bC 2SIEO R and ONE OF W aCeT INEO RIr 1S R
EOR, and by consequence out ot Cla(s into WV ater 25 T +0
K: and let the Diameter oF che Sphere to which the conrex
Sides ACD and CFIF are ground be. D; and the Diameter
of the Sphere eo irhich che concare sides BMIF and BNF
are ground beto D, 25 the CuDC ROOE OF HK -HI eo che
CuDC ROOE OF RK = RI: and che ReFractions on the con-
care sides of the Classes, rill verr much correct the Prrors
of che Retractions on the conrex sides, (0 tar as they arise
trom che sphericalnels oF che Figure. And by chis means
mighe