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# Title: Optica Promota, Seu Abdita radiorum reflexorum & refractorum Mysteria, Geometrice Enucleata (shelfmark Leibn. Marg. 94)
# Folio 79, page id 727094130:0091
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=727094130&page=91
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 35 lines, status machine
# Lines: 35 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.
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# After the first blank line: the recognised lines in reading order, one per line.

Sivero; radii viltes punctorum, congregentur in puncta p
ni imas ec pranunt album, ec impolitum, radios visibilis, For
cicer revibrans, figacur in plano imaginis; imago videbitur, claris-
sime depicta, in plano albo. Nam proxrer plani impoliciam, ra-
dii cinculorum vilibilis punctorum, in imaginis, vel plani albi pun-
eta concurrentes; ab iildem plani punctis, un deque repercusti, acu
los videnrium Feriune, _ unum quodque visibilis puvetum, appa-
rebic incienci depictum, in illo plani puncto, a quo, omnes illius
radiireflectuntur s. hoc est in apice lui coni radioli; vel porius 29 Hujus
penicillis. Apparet aurem hac imago, unico speculo vel lence proje.
eta semper licuererlo: Ucpatet per Prop. 46 hujus.
Sed; si planum, in loco imaginis politum, Fueric policum, re-
Aectentur, omnes vilibilis radii, ad anculos reflectionum, aequales
angulis incidencibus; qui proprerea refecteneur pene omnes in
lenrem vel speculum. Lic h oculus, 2 lacere lencis vel speculi, pra-
dictam imaginem incueacur; videbie illius parciculam, in plani
polici tuperticie: quae omnia Paris manifesta lune, nec ulla egene
deomalos
LFOD. 53. Peoblema.
Data imagine visibiliss ope quoteunque sfeculorum vel lentium pro-
jecta: es daris lentium, vel speculorum, es imacinum, a se invi
cem distantiis; visibilis anculum visorium, ex verrice sua inci-
dentiainvenire.
Inciniildem fguris; puncta M, N, imagines duorum vilibilis
punctorum, ope quorcunque speculorum, vel lencium, proje
Ctx: Oporcec ramen rectam M N, axem produetum secare in L.
Sincas daca, MI, TN, ID, ee lencium vel speculorum, sc ima-
sinum, ase invicem distantix. Daris igicur in crianoulo rectan-
guloNTD, laceribus, NVI, ex ID; datur et angulus NDI, seu
illi aequalis ADV. Sicq; uc diltancia imaginis A V B, a vertice
sux emersionis; ad dictanciam ejuidem A V B, a vercice sux inci
denrix VD; ica rangens anguli AD V, ad cangencem anguli, cor. 43
quo A V videcur ex praedicta vercice emertionis. Fodem modo,
invenicur ansulus, quo V B, apparet ex endem rerice emertiONIS;
gu