# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/797939695:0215
# Permalink to this reading: https://leibnizlegible.com/page/797939695:0215?run=74
# Title: Synopsis Geometrica (shelfmarks Leibn. Marg. 7,1; ZEN Leibn. Marg. 7,1)
# Folio 195, page id 797939695:0215
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=797939695&page=215
# Source image: https://digitale-sammlungen.gwlb.de/content/797939695/jpgs/default/00000215.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 52 lines, status machine
# Lines: 52 recognised, mean confidence 0.81
# 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.

Otll
VR. il
Xi
rin
XIi
A alI
illi ag
ValiBC
IIC p
ad de
Ommel
n null
Aeb Ct
DB, B
AXCM III
nOECI
Cum P
SAB, I
Im lII
Ceometrica
CC, omnelque alias ipsi parallelas, ac
proinde cadat in eas perpendiculariter.
E H diuidic etiam illam bitariam per-
pendiculariter: cum enim sic in codem
plano D A B, Perinderes le habee acque
SIH B, in dicco plano volueretur, circa
CH, donectieret parallelaB A in F II:
sectio porro in superticie coni F R C est
Parabola, per detinitionem, Cumatur
quodlibet punctum in aXC HI E puca L,
ducatur F IL. parallela D B, cum I R in
plano parabolae parallela TIC; rectan
oulum BE D est aequale quadrato HIC.
quiahaec eAt media proportionalis inter
BH D; icem rectangulum L IF, 0b
eandem racionem aequale quadrato lR;
elaurem primum rectangulum ad le
cundum; VE HID adTF, CuM SIE VErUm
que lubeadem, vel aequali BaHHIB, vel
LC; lunc igieur re alcicudines, nimieum
VeD H, adIF; Sed rE HD ad IP, ica
HE ad EI; ergo quadratum H C est ad
quadeatum IH, VeHE ad lE, idem de
qualiber alia applicaca Cemiparabola
Octendetur.
His praemissis, quae Trro, ni Fallor
incelliget; Sclemiparabola M R HIO,
rolunur circa aXeM NO; producirur
CORDI
lad llas
et 
Elt dut l