# Leibniz Legible — https://leibnizlegible.com
# Piece: https://leibnizlegible.com/api/records/508/text
# Catalogue record: 508 — [Zeichnung zur Optik]
# Incipit: [Lichtbrechung an sphärischer Grenzlinie]
# Date: 1676
# Akademie-Ausgabe: AA VIII (assigned, not yet published)
# Record in the Leibniz-Katalog: https://leibniz-katalog.bbaw.de/de/extended-search?id=508&katnr=58085
# Work: https://leibnizlegible.com/work/00068124
# Title: Leibniz-Handschriften zur Mathematik LH 35, 8, 30
# Folios: Bl. 128v (from the shelfmark LH 35, 8, 30 Bl. 128v°): 1 page, canvas 258, page ids 00068124:0258 to 00068124:0258
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068124&page=258
# Lines: 2 recognised on 1 of 1 pages, mean confidence 0.71
# Catalogue: Leibniz-Katalog / Arbeitskatalog der Leibniz-Edition (https://leibniz-katalog.bbaw.de/), ed. Arbeitsstelle Potsdam I der Berlin-Brandenburgischen Akademie der Wissenschaften, CC BY 4.0.
# 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, page by page: a "## Folio <label> — <page id>" line ("## Canvas <n>" where no folio label is recorded), "# " lines naming its source image and model, then its recognised lines in reading order, one per line.

## Folio 128v — 00068124:0258
# Source image: https://digitale-sammlungen.gwlb.de/content/00068124/jpgs/default/00000258.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 73, 2026-08-27T15:28:38Z — 2 lines, status machine
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