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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)
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LLLLHIMEERICA DTeTAMINA
A
ETAMCI
Transversales duae superficies attingunt se
aut secant se non in communiparte, sed
communi linea.
Scholion.
In quo concurrune lineares series aut su-
perticiales, Commissura dicieur, eie SV9.
unt
DICLAMEN ZV.
Duae serres transversim collimantes, (5 in
commissura certa concurrentes, si pro-
ductae fuerint; in ea commissura, se in-
tersecant.
DTOTAMEN ZVI
Omnes serierum transver salium Divari-
cationes rectae, (recti anguli) sunt
inter se aequales.
Scholion.
Rectorum ansulorum instrumentum
NORMA dicitur, ut rectae linex ducendae in-
ArIIENEUM AEGUL A VOCaTUE. PrObA NOI.
mae est, S Semicirculo descripto Crusuerum.
que cranseat per incerlectiones eius cum Dia-
metro; ledvertex WTormae (punctum commis.
surx) Semicirculi circumserentiam actingat.
Vide F15. 5.)
DTCTAMEN XVII.
dua conoruunt, aequalia sunt inter se.
Scho-
Ct