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# Title: De Locis Solidis Secunda Divinatio Geometrica (shelfmark Leibn. Marg. 151)
# Folio 77, page id 898203430:0105
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=898203430&page=105
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 38 lines, status machine
# Lines: 38 recognised, mean confidence 0.91
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ORDIHATIONVM COHTC. LIMITIBVS LIB. L.
PROPOSTTF La
NCirculo Limes Ordinationis normalium super ra
mos ex vertice ductos erectarum est ad Locum conca-
num Parabolae per oppositum verticem sibi circumseri-
Prae, cuius rectum latus aequatur ejusdem C irculi dia-
metro.
Sco Circulus ABC, cuius diameter AC, qua hiac rectum lacuS Pa-
a rabola CD, cuius ( vertex C, axis C A. Hac iiaque erie Circulo 2 ex 1. do
circumseripta: 2 ducto vero
quocunque ramo AB ipsi eri-
Satur normalis B C (guxe ob
Circulum incidet quidem in
punctum C) Dico hanc BC
ordinatae per B in Parabola,
hoc est rectae F. F aequalem.
esse.
Nam, ob Parabolam, est
quadratum F F aequale rectan
sulo sub E. C in rectum latus,
nempe in C A, ex constructione, cui rectansulo aequatur quoque : ob
Circulum, quadratum normalis BC super ramum AB ex A Circuli ver-
rice ductae; ergo BC, L. L. Cun aequales; Fr sic de linculs huiusmodi
normalibus, e lemiordinatis. Concauum ergo Parabola C F. D est Li
mes proxoliae Ordinacionis. Ouod er at ec.
ROEOSTLIO LANAI
X Parabola. Limes Ordinationis normalium superra-
lmos ex vertice ductos erectarum est ad Locurm con-
cauum alterius Parabolae coneruentis, e5 sibi simul
adscriptae, cuius verten distat a vertice datae per ip
sum rectum latus.
 IT data Parabola A B, cuius vertex B, de rectum Laus B C. CuML.
axe BD in directum polium, per verricem vero C su adscripea da-
iae B A alia CONSIUCHS ParabOlA C E, CHUS pTOPICTCa LacuS teccum lic
idem
AEI BrimB
lib. aC MLAX
_ MIn