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# Title: Leibniz-Handschriften zur Mathematik LH 35, 9, 2
# Folio 74r, page id 00068126:0147
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3c
.q1 a lin 1. ad 10 prous qua impressa sunt sie scribatur
3 Md flO, O3M, esse ipois 3 M L2, 2 D2 M 2 M3M
hoc est velocitati circulationis velocitati paracentricae
et velocitati toli en ipsa orbita proportionales
in 2-
Ponatur anim 3 MJL ipsi O2M occurrere
, patet ob angulum dL3 M2 M rectum (nam areus
massignabilis 2 M 3 M habetur pro linea recta)
1C
esse triangula et 3 M 222 M similia angu,
CH
lum 3 M2 M2 D aequalem esse anguloid
est angulo 3 MO)L (quia angulus 3 Mo 2 M est
inassiquabilis seu infinite parous) itaque tri angula
sunt
3 M3C0 et 3M2 Dt similia. Unde sequitur
proportio assignata. Sed jam estendendum est rectas
3M3t, =LO, C3 M, se habere modo dicto: Juia
3MH
recta ex constructione, normalis est ad 3M2 M,
arcum Ellipseos (aut sectionis conica ingenere) esusve
tangentem inpuneto 3 M ideo (primo) aequales sunt
ex conicis) anguli fl3 M F, et 3 MO, similia
igitur sunt (2do) triangula angulos ad Hl et 4 rectos
habentia 3M3LO et 3 MaF. et posito F0 a 3M
ecari in A est (3tio) OR ad HR  latera MHC
quippe
 trianguli O3 MF cujus anguly ad verticem
est bisectus. Traterea (4 +o) et triangula OdR, FQR
H ut 3MO a
BMF segmenta
scilicet haseos
CF ut latera 3MO, 3MF