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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 347, page id 79876922X:0855
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xam
TRACTUUM COLLTNEAATTIM.
d.TL
Compendium Schrventeri certantis cum
quodam, de pluribus rectis angulis cito descri-
bendis. Delcripti Semicireusi Fis. 124. pluri-
mis punctis applicentur rectae lingulis binx, a
binis excremitacibus diamerri; e omnes binx
erunt inter se perpendiculares. Oula quilibee
Ilus in Semicirculo rectus est, per Product. 50
daβ. 134
Augmencum Compendii.
Ductarum binarum continvationes (pun
duatis lineis notatae) extra circumterentiam
quadrupio plures delisnant ansulos rectos,
quam inera Semicirculum cadunt.
(3) Calus dato puncto C. exera dincam
circa medium.
Fx CentroC. Fis. 125. notentur duo pun
cta F. Pd. verinque similiter aequidistantia, ab eo
dem Ci e exiis tiac decussist.
(4) Calus, dato puncto C. extra,
circa tinem.
A puncto C. F18. 126. ducta obligua CeF, B1
secetur in F. ex cenero F. ad intervallum FF
describatur arcus F C. qui notabit Ct. punctum
sub perpendiculare.
2
Desiderium I. Philo-
maibae.
aneulum ad D. Anguto AB C. aqualem
Facereo
Dad,
decu