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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 48, page id 1677894601:0058
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=58
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 34 lines, status machine
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distances, wrhich T chink noc worth che while eo describe.
Then immediacely atcer che Lens I placed a Prilm, by
irtich che trajected Lighe mighe be retracted cicher up-
wards or Cderrars, and chereby che round Imase which
the Lens alone did cast upon the Paper mighe be drarn
out inco a lono one wich Parallet sides, 25 in che chird
Experiment. This oblono Image I lec Fall uxon anocher
Paper ac aboue che Pame distance From che Priim 25 Be-
Fore, morins che Paper cicher comards ehe Prism or From
ic uneil I Found che just distance irhere che Rectilinear
Sides of che Imase became most dictinct. For in this case
the circular Images of chehole which compose thaclmage
atcer the lame manner thac the Circles aq, bh, ci, _c. d0
. D che Figure pF, vere cerminaced most distinetly withoue any
Penumbra, and cheretore excended inco one anorher che
least chac ther could, and by consequence the mixeure et
the Hecerogeneous Rars mas no che least oF aIl. By chis
jo. 22, neans Iused ro form an oblong Image (such as is pF) ot
ma LA. circular Images of chehole (such a5 are a g, bh, c1, _C.)
and by ulinz a orcater or less hole in the Windon-PBuE, I
made the circular Images ag, bh, c1, _c. Ot which ic was
Formed, to become orcarer or lels at plcasure, and chereby
the mixture oF che Rars in che Image pt eo bc as much
Or as licele as I desired.
Fig. 24. Illustration. In che 24th Figure, F reprelenes che circular
hole in he Windon-PhUE, NIN che Lens Whereby chc
Imase or Species oF thac hole is cast distinctly uxon a
PapeF aE J, AB C the Prilm whereby che Rays are ac cheir
emeroins ouc of the Lens retracted From J corvards ano-
cher Paper ac pt, and che round lmage ac F is curned into
an oblong Tmage pr Falline on chat ocher Paper. This
Imase pt consists ot Circles placed one alcer anocher in a
Rectilinear order, as was sufticieney explained in che fiteh
Experiment;