# Leibniz Legible — https://leibnizlegible.com
# Piece: https://leibnizlegible.com/api/records/1205/text
# Catalogue record: 1205 — De conoeidibus
# Incipit: Trouver un [!] ligne, surface plane, courbe, solide homogene, à une
# Date: 1673
# Akademie-Ausgabe: AA VII,8 N. 067
# Record in the Leibniz-Katalog: https://leibniz-katalog.bbaw.de/de/extended-search?id=1205&katnr=58745
# AA VII,8: the volume in the Repositorium des Leibniz-Archivs (CC BY-NC 4.0): https://www.gwlb.de/leibniz/digitale-ressourcen/repositorium-des-leibniz-archivs/laa-bd-vii-8
# In the Akademie-Ausgabe: AA VII,8 (PDF, Repositorium des Leibniz-Archivs, CC BY-NC 4.0): https://www.gwlb.de/fileadmin/Leibniz/repositorium-des-leibniz-archivs/LAA-BdVII8.pdf#67
# Work: https://leibnizlegible.com/work/00068073
# Title: Leibniz-Handschriften zur Mathematik LH 35, 7, 1
# Folios: Bl. 80 (from the shelfmark LH 35, 7, 1 Bl. 80): 2 pages, canvases 159–160, page ids 00068073:0159 to 00068073:0160
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068073&page=159
# Lines: 45 recognised on 2 of 2 pages, mean confidence 0.95
# 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 80r — 00068073:0159
# Source image: https://digitale-sammlungen.gwlb.de/content/00068073/jpgs/default/00000159.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 73, 2026-08-27T15:28:38Z — 44 lines, status machine
mo hene a un plan-
ligne surface plane, courbe,
par exemple les Elemens
de T. du Compee Partabolique Convei de parabolique sunt en raisor des
ligne sur face, solide.
un solio
a unic
onner
solide homoq ene,
Eodem modo invenori pts solidum icidius applicatae
int in ratio Elementa seu plana secundum axeu sint in ratione appli
appliquees ou Triangle,
hyperbolae, seu rectnaram
nguli ulti in ratione altitudinum
Conocides Hyperbolocidicum
generatum
esse rotation
circa suum axem figurae, cujus appli calae sunt in ratione altitudiuum reci–
cutaruum
proca sub duplicata num harum applicatarum quadrata, erunt 20 ratione
a Ergo et circuli applicatarum rotatione facti
Hoc erit
reliproca.
sic Methodum generalem solvendi hoc problema: Datae figurae
Nimiru Figura cujus Et plana cujus
altitudinum
reciproca
lementa sunt in  dupli subduplicata ratione figurae planae datae, rotetur
conveides proportionale exhibere.
circa suum axem; et eru Conocides productum erit figurae plunae datae
tubemus,
planae
Hinc habemus Methulum
datae milibet figurae planae exhi–
autem converdicam datae figurae
ipsius figurae datae descripto linoeide. Itaque etiam
Seperficiem
proportionale.
bendi solidam proportionalem.
cuilibet figura planae superficiem curvam proportionalem exhibere possum
proportionalem exhibemus
Lineae etiam uilibet propostionalem fignrani curvam exhiberi posse constat
Hoc autem convides secando aliters
habebuntur aliae series quae ad priorem reducentur

## Folio 80v — 00068073:0160
# Source image: https://digitale-sammlungen.gwlb.de/content/00068073/jpgs/default/00000160.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 73, 2026-08-27T15:28:38Z — 1 line, status machine
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