# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/00068531:0071
# Permalink to this reading: https://leibnizlegible.com/page/00068531:0071?run=74
# Title: Leibniz-Handschriften zur Optik und Dioptrik LH 37, 2
# Folio 36r, page id 00068531:0071
# Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 35v); this page is its right half.
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068531&page=71
# Source image: https://digitale-sammlungen.gwlb.de/content/00068531/jpgs/default/00000071.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.91
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

debilitat, Alcunde vo defectus vitr mueplicant algue ita fa
dir irregularit delorquent. Jqilpestat pucirra vitra repo-
pere atque obtia tribuere qmnan pote obtinere fatitudine. Geaclera
Cacteus suppotuimus vitra ta pfecte elaborata, ut illa
siqura heant ventente, ad delorquendos; colligendosque adios
cerlo quada race  punc ingrentu e, an vitra ejusmodi obtines
pont, ilemxqua sit figura vitris tribuenda, et qua Raoe vitra
ejusmodi forment, agueelaborent. Sapponendu
Supponendas eprielas Defractioum, qualis erpra com
Pin is eergamus AC, D, eestim vitri a R, sit plana atque expolita.
Si Radius f A xpendicularitu incidat, ulterius procedit, vereu
C, direce absque ulla inflexioe. Simitits si RadigC A, procedens
ex vitro, opendicularit egrediat, in stere, allerius procedit in ecla
irea vertus si absque alla hrflacive. At v. si Rtadia obliguus e
Tuti B A, n velerius En directa procedit, versus (. Sed refringit,
veres DD, accedende ad Perpendiculare AB. Contra a. hisfa
dius et A egrediat a vitro refringit verhus Brecedendo apes-
pendiculari A s. Sed q. hic mxenotandu, si plures Radiisu.
mantu BA. b A4 refrirgant versus d, descriplo Circulo ex Centro
A. nirum B C duruentue finus B gr. ia bf: f.DE. de. ppelve
invenit, q. b f, adDe se heaut, sicuti bf, ad de. Proterea.
Puatecea supponendo Radios, inudunt in sup ficie cura,
Pinde refringi, ac si in fidere, un sufficie plana, a ciugeret curva,
in Pundo ipho icidentiae, in quod hirum Radius icidit. Expli caa,
Si AA e vitra Sphaericu, Radius IBA refringet verhas D. y inde
ac si incidisset in vitru planu, cuia sup ficies a A tangeret Sythiera
in Pundo A. Prelerea
Pralerea ergiae comptu hemq, q n’oia vitra aequalit refrin-
gunt. Contra ve cestu es a a ’aptior  ad refringendos Radios, aut
ad maiore Defroctioem efficienda, ita ut nulla cecta Regla hac
in ple assignari poit feis. a prosupposits Geomsrice demonstrant
igura apte ad Colligendos Ladias in unu Punctu, aut delorquendos
earad qua supra explicatu e.