Theodosius <Bithynius>; Clavius, Christoph, Theodosii Tripolitae Sphaericorum libri tres

Table of handwritten notes

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11199
CHRISTOPHORI CLAV II
BAMBERGENSIS
SINVS, VEL SEMISSES RECTARVM
DICI vix poteſt, quantam in
11Sinuũ vti-
litas
.
rebustã Aſtronomicis, quàm
Geometricis
, vtilitatẽ babeat
Sinuũ
cognitio:
innumera-
bilia
peneproblemata Aſtro-
nomica
, &
Geometrica ad
vſumper
calculum &
rationem Sinuũreuocen
tur
, vt tumex noſtris triangulis rectilineis, ac
sphæricis
, tum ex Almageſto Ptolemæi, ex noſtra
Gnomonica
, &
exalijs variorum Aſtronomo-
rum
libris manifeſtumeſt.
Quare, cum à paucis
admodum
Sinuum demonſtrationes ſint expli-
catæ
, operæpretiũme facturum arbitror, ſi, quan
ta
potero breuitate, ac perſpicuitate, ex varijs
auctoribus
, præſertim ex Ptolemæo,

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