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# Page: https://leibnizlegible.com/page/00068531:0049
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# Title: Leibniz-Handschriften zur Optik und Dioptrik LH 37, 2
# Folio 25r, page id 00068531:0049
# Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 26v); this page is its right half.
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068531&page=49
# Source image: https://digitale-sammlungen.gwlb.de/content/00068531/jpgs/default/00000049.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 40 lines, status machine
# Lines: 40 recognised, mean confidence 0.87
# 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.

a’caa juvare possit? Sed quomodo cunqi fial eiosmodi refexio su-
minis, certa e et fieri et stere dem in le, ut ia probatio e expientia
osranestra, quacuque et parle aperlae: qua Jumen intra Cubicilutrans
mitlih. (g0q do foris et aliquod Cnes opacu pottumus illigere, q. illud
Crus recipiat advenians quacungs ex parle Suineu. qu
Porco (rus alia opa foris expositu, refleci Lumeu oem in
plem. Sequit ex praecedene. Pa recipit oi x parle venieules sumi-
nil Radios, q’eliareffle dit oem in plu. 0od. a. dico de lolo e.
de illigendumd sats pundlis erisde Cnt: ut nullu sit Punctu, vesbi
graa in sapide quin veflectot oem inple Padies infdos suminis,
venientes et infuis plibir. Aque ila d libet Pauctu illius Lasids,
siderari pote Ceriou Cali vnius sphorae, suminosae, et quasi
fors, alque orige ulfilorum Radiona quaquavertum immissone 10
Decisionaide illigendum de Corpore, qu’eit intra aliquod eu-
biculu, fene stra mapertum, sinibilet eliam et parielibus, et
et pavimento elechih Lumen sub ingrettu, ces ferrestras. Alq
ila or ex par impigit in ers e inferior cubiculi, qua oiu
facile applicat possint sumini tucernae de noce, quo. e. Sumen hu
ismodi (orige debilior sit, illud ta  paribus Reguls ab Aere reflectius
atque oi ex parte ielabit in vicina Cra, quae proplerea alius uta illuminati.
27 at experimenti facti splici foramine, absque allo vitro. Sit
alaacaus 2.
ces
l exnecimenti facti dimplice
Focamine absque ulL0
OLeo
SC aliqua turris A. B, Paries Cabiculi interreces in e e, oo
ramen exiguu X in eo pariele 6. C: alque intra Cubiculu opponatus
Sirleum f9 ki. gn’eo Tinleo Pingetur curris inverto tum ordine, alqe
illius experimenti nunc praebenda rao e. 10
summus aper Lurris  remillit quaquaverru infilos
Radios suminisi, iuxla obher vala nuro 9.  aragraphi
E)
i
supiorss. Ex iis Radies oes qui incidunt in Pariele ii extinguunt, aut
alio refleri, n ingrediunt intra Cabicutum propls Parielis oacitale.
At vo ex iis unus qui inadit, in Froraureu , Cibere X ingredit, alqe
neterius procedit, donec impragat in finteu ad unchu a, ubr intrates
ex Laqueari
Sa