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# Title: Leibniz-Handschriften zur Mathematik LH 35, 8, 10
# Folio 7r, page id 00068105:0013
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1XbI. 168
e
nc
e
et
2
e
eti
122
e
Lineae datae oparialectam ducem
Cper punctum datum D.
si evolutionepsiu
non venietur
modo
ad punctum D quod est
un concava parte lineee
devoluta sitaque loco
itam DBE et alia ipsi paralleca GH
per tandim
regrediturpunt caus arte convexa sit D
itum N.
 entus evolutione dessuibatur aliqua
transiens per D. Et investrgabitur
evoluenda GH dum non quaenitur con
o simpliciter
sed addita AL constante ad primam
dola milibet lineae in se edeunti
iinivi potest peris parallela etiam
eB
et
e eo
2
s
eest
amphidextia dabitu centium, si non
sit quaeritur ubi sit centrum
ut
a 
sed crecdunles
inscriptilie
nunquam
peroture ad tentns nece:
defent anti dextre sit
antnon
quam decipere pos
e
AEF describatur
ipsa ABe
ulla
ANABE. ipsio AEF sumenda est
biser psit paral
cadisus perpendicalarium
2
a
inse rediens seu aquidistans. si sit
e
e
.
exemilum hoc
maginatio
si anua mluligne currae  aeseri ipsiperpendicularae
Si cu M currae L evolutione de scributur diaurva M.
et hujus eroluxo (curvaeM) enolutione ruisus describatur
tertia curva N (pergendicularis ipsi N) erit tertia paralle
t
la primae seu secunda evolutione descuata eris paralletom
trimae pvolutaet. Nam perpendiculari terpendctare est patullalum
rron
3
 2d 8
8
e
tieES
b
e
G
F