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# Title: Qua Continentur De Angulo Contactus & Semicirculi, Disquisitio Geometrica. De Sectionibus Conicis Tractatus. Arithmetica Infinitorum: sive de Curvilineorum quadraturâ, &c. Eclipseos Solaris Observatio (shelfmark Leibn. Marg. 84:2)
# Folio 23, page id 824573315:0107
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# Lines: 35 recognised, mean confidence 0.92
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De Sectionibus Conicts.
PROP. IZ.
De Conoide, s Pyramidoide Parabolico.
Inc segnitur: Si ex omnium in Parabola Or-
dinacim applicatari quadeatis, ad commu-
a nem axem ordinatim positis, Formetur Prra-
midoides Parabolicum (eo mdo quo Prop. 5, 6. Formavi.
mus Pyramidem e Conum; erie illud infinitorum pla
norum Arihmetice proportionalium aggresatum, ((
cut Friangulum rectarum,) abo incipiendo ex con-
tinue progrediendo ad balin usque.
P ROP. 5
Caelatoris
inearia error
admissus est.
nam pyla
doidis basis
supponitur
sexaneula
(novi sep
taneula) es
basis esset
Paradorae
Adeog; S Balis fgurae sic constructe in semissem AL. punctuata.
cicudinis ducatur. prodibit torius figure Coliditas: (co.
dem argumento quo ul Tumus de criansulo PrOp. 3)
Cumqi idem (eodem arsumento) raleat de circu.
lis, aliilre figuris planis Cunilibus quibuscunque, (Tunt
enim ad invicem, uc diametrorum, vel rectarum qua-
rumlibee similicer ductarum, quadraca;) crit univer
Taliter Conoides vel Pyramidoides Parabolicum, quacunq;
bale, (Crcetiam crectum sic, sire scalenum, sive etiam
locunqi modoluxatum, per ea que dicta lunt Pr. 4.)
aequalo
recta OPO