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# Permalink to this reading: https://leibnizlegible.com/page/782426638:0573?run=74
# Title: B. D. S. Opera Posthuma (shelfmarks Leibn. Marg. 30; ZEN Leibn. Marg. 30)
# Folio 527, page id 782426638:0573
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=782426638&page=573
# Source image: https://digitale-sammlungen.gwlb.de/content/782426638/jpgs/default/00000573.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 38 lines, status machine
# Lines: 38 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.

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qualle
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CUM Ia
AD E AS R E S FO N S LO N F S.
527
erit HY R ∞ 25 F 10. Id, quod ostendie hunc Focum aliominorem
elle, licertubus opticus per inteoram lemidiametrum sIt inOr;
adedut, (i Telescopium aque longum Fabricaremus, ac cA D I,
Faciendo semediametrum D 22, _ BF, eadem manente apertura,
focus multo minor lit Futurus. Ratio inLUPEF, CUTCORVEKO-CON
caravitraminus placeant, est, quod, praeterquam quod dupli-
cemlaborem, ec lumptum exigunt, radii, quandoquidem non
omnesadunum. idemque tendunt punctum, nunquam in luper
ficiem concaram perpendiculariter incidant. Verum quum non
dubitem, quintiae jam olim perpenderis, aC MagIS aCCUTate act
calculosrerocareris, ec deniquerem iplam determinareris, idco
tuum judicium, contilium quehac dere exquiro, etC.
A
E P TS FOL A X I. IT.
ocussim Fxpertissimoque Viro
 B.
B. D. S:
Doctissimerir, Amice singularis.
D ultimas tuas literas, dudum a me acceptas, antchac rc:
onderenon potui, ita rariis occupationibus, et Collicicudini-
bus impeditus fui, uc rix tandem me expedire potuerim, nolo
tamen quandoquidem animum aliquantisper recipere. licet, ICO
ofticio deesse; led tibi quamprimum maximas agere gratias volo
pro amore, atque officio ersa me tUO, Quod Caepius Opere, jam
vero literis etiam latis superquorestatuses, ecc. Transeo adtuam
quaectionem, quae sic setiabet, nempe an aliqua detur, aut dari possit
Methodus talis, qua inoffenso pede in prestantissimarum rerum coci-
tatione sine tadio percere possimus? an vero, quemadmodum corpora:
nostra, sic etiam mentes casibus obnoxiae sint, es fortuna macis, quam
arte cocitationes nostrae recantur? Quibus me. Latisfacturum PuTO,
Si Osten.