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# Title: Nicolai Mercatoris Holsati, è Soc. Reg. Institutionum Astronomicarum Libri Duo, De Motu Astrorum Communi & Proprio, Secundum Hypotheses Veterum & Recentiorum præcipuas; Deqve Hypotheseon ex observatis constructione (shelfmark Leibn. Marg. 63)
# Folio 193, page id 820424455:0215
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der. 3.
ADTRONOMIA.
93
sec. 29. Cujus areus sinus eAt DF 3766 = BC =L A.
PORTO CX ArCU DK, Grac. 93. min. 8. sec. 37. autex D P.
Read. 2. min. 9. sec. 29. reltat F R grad. 90, min. 59. lCC. 8.
unde rursus ablaco quadranre P II, restat HI K grad. 0. min.
59. sec. 8. Cujus Cinus est RI 1720 = LB = A 6.
ergo jam in Friangulo rectangulo ABC daris cruribus BC,
R, inveniri porest eccencriciras A B in parribus, qualium
adins eccentrici BC supponitur 100000; nec non angulus
BA = B AC, quo nimirum linca apsidum AC distabac
lim ab inirio eo, nimirum gradibus 2 g. min. 33. (Cc. 6. vel
luxra Prolemaum grad. 24. min. 30. quare aposeum Solis
empore Fipparehi hxrebac in erad. 5. mir. 30. F. In HaE
PFAS.