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# Title: [Vera Circuli Et Hyperbolae Quadratura] Vera Circvli Et Hyperbolæ Quadratura (shelfmark Leibn. Marg. 98)
# Folio 139, page id 834940469:0223
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=834940469&page=223
# Source image: https://digitale-sammlungen.gwlb.de/content/834940469/jpgs/default/00000223.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 20 lines, status machine
# Lines: 20 recognised, mean confidence 0.88
# 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.

i
M
pa
M
15
Ex combustione speculi vel lentis ustori observata: distantiam a
Sole invenire, inqua (ol suis radis directis eodem prorsus modo
comburit, quo hic comburit speculum vel lens ustorium datum.
TC(ol BCF cuiuscenerum A, speculum vel lensvstorium
 datum INKO omnesradios solares in le incidentes in
circulum MPL. Preducens, ec in illo, combustionem aCcen
la CBLA a.
dens. Supponimus speculum vel lenre THIKO esse circulare,
cuius axis ad cerrum solis vergie, ec proinde conum AIOKN
eRC rECtUM. Sic uE IK diamerer leneis vel speculiadLM dia-
deerum circuli combuctionis, icaKA vel IA distancia specu-
lid cenero solis ad DA. DicoDA esse distanciam quaelicum,
hocele, solem eodem modo comburere in discancia D A,
quo comburie lens rel speculum IOK N in circulO MPL
PEF