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# Title: Leibniz-Handschriften zur Optik und Dioptrik LH 37, 2
# Folio 15v, page id 00068531:0030
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068531&page=30
# Source image: https://digitale-sammlungen.gwlb.de/content/00068531/jpgs/default/00000030.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 25 lines, status machine
# Lines: 25 recognised, mean confidence 0.96
# 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.

Cavendum in his, ne ipsum miniis
speculum vi caloris damnum patiatur. itaque
 ipsum ad huc satis magnum erit, ut radios in ipso
disperso arctius adhuc colligat. forte
et non inutilis erit pro parabola figuras,
Hyperb pro Hyperbolica pro minore parabolica
ut scilicet radii viant non paralleli sed ad huc
magis convengentes. Illud morimis egregrum
Et memirabile est, quod nanenle tantum Loco
communi seu puncto F, fixo, licet variare ut
lubat  directionem lineae nstoria in omnes
partes.
Postremom videtur definiri
posse, quaenam sit figura possibilio oprium aptossimau
ad ratios ex data plana superficie, ut solari
cujus data a nobis ponitur distantia, venientes et
in datam superticiem. si placet parateolicam
et plonica incidentes, colligendi in lineam 
ustoriam quam longissime sibi constantem antequam
dispergatur.   Quanquam fatear
Hac problema futurum esse ex difficillimis quae Geome,
ra in istis suscipere possit. Simulter
videtur geometrice definiri posse , quae sit
baloma figura aptissima ad detegendum objectum
distantiae datae Magnitudinisque, quam aplime detegendum