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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 9, page id 1677894601:0019
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=19
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.90
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C9
and chereby a Lens be Formed, which Pall make che Rays
Ao comards or trom irhac place rou please.
50 chen che meaninq of chis Ariom is, thac il RayS
Fall uxon any Plane or Spherical Surtace or Lens, and
betore cheir Incidence Ron From or tomards any Point,
cher Chall atrer ReRlexion or Retraction RoW trom Or tO-
ards che Point q Found by che Foregoins Rules. And it
ehe incidene Rays Aor From or comards sereral poines ,
the reslected or retracred Rays PBaII ROm From or tormards
Co many orner Poines g Found by che lame Rules. Whe
cher che refecced and refracted Rays Ron From or torrards
che Poine q is casily lnonn by che situarion oF that Point.
For it chac Poine be on che lame side oF the reAectin Or
retractinq surtace or Lens ich che Point , and che in-
cidenc Rars Aou From che Point , the reflected Aon to-
wards che Poinc q and ehe retracred trom ic; and it che
incident Rays Aor corards , che reftected Aon From qu
and che retracced corrards ic. And the contrary happens
wrhen q is on che ocher (ide ot that Surtace.
A X. VII.
Wherever che Rays wbich come from all che Doints of any Ob-
ject meet azain in so many Points afcer they have been made to
converze by Restexion or Refraction, there they nill mate a Dic-
ture of che Objeet upon any inbite Dody on Which they fall.
S0 it PR reprelent any Object withoue DOOrs, and AB Fis. 3.
be a Lens placed ac a hole in che Wincon- uE oF a dark
Chamber, Whereby che Rays that come trom any Point
Ot chac Objece are made co converse and mecc ag2in in
the Point q; and if a Sheet ot wrtrice Paper be held ac q
For the Lighe chere eo FaII upon ic: the Picture OF FhAE
Object PR Will appear upon che Paper in ies proper Strape
27C