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# Title: Erhardi Weigelii Sacrae Caesar. Maiest. ut & Com. Pal. Sultzb. Consiliarii, Supr. Artium Archit. Directoris Saxo Ien. Mathemat. PP. totius Academiae Senioris, Philosophia Mathematica (shelfmarks Leibn. Marg. 65; ZEN Leibn. Marg. 65)
# Folio 346, page id 79876922X:0852
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346
DE CIONSEYTOTIOHE
arcus, invenitur, si in duas qualescungue
partes AB. C5 BC. divisi, utraque pars per
Desid. hoc bisecatur: bisecantes enim re-
Eta DETI. CS KHI. Fig. 121. (3) in concursu
Cuo LI. centrum quaesitum produne.
Desiderium III. Philo-
matha.
ad datam rectam AB. Perpendiculum con-
situere ex puncto datoc.
(T) Calus, (i punctum C. Cccircamedium
in ipsa recta.
KX eo puncto C:. Fi8. 122. nocentur puncta
e
D _ F. utrinque aequidictancia ab eodem, a ex 11
iis Fac decussis. L.
2) Casus, dato puncto C. in ipsa linea
circa extremitatem.
Actumto extra rectam puncto F. F15. 1230
ad incercapedinem FCi. describatur circulus se
cans rectam in R; ex F. per H. ducta recta act op.
politum Cr. nocac punctum in circumterentia
quod perpendiculariter imminet punctoC.
Compendiigracia aperrura circini FCi. ex
F. applicetur in L. e hic immoto circino admo-
reatur regula, secundum quam immotam circi
nus exF. ab F. conversus in oppolicum C. deli.
enat punctum perpendiculare C. line lineis au-
xiliacricibus. Nocandum hie
Ciom