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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 122, page id 820424455:0144
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ASTRONOMTA.
tertur centrum epiereli majoris a B vertus C, D e F, aIque
exierelus major viciltim secum arehirminorem, cujus cen
rrumn sux circumterentix intixum habet. Frhorum quider
Circulorum quantiras exx proporrio ralis eA: Semidiameter De
Ferentis, nirirum linea AB aequatur Pemidiamerris terrx 567
Jam E dictae. semidiametro A B cribnantur parteS 100000,
calium parrium 2+7 4 dandx erunt Pemidiaerro AFI, _ semI
diametro epicycli majoris Bn vel C. n 5800, denique semi
diametro minoris epicyeli 2900, quae est dimidia prioris.
2. Ei circuli tali lese moventur, ue linca apogéi D
primum concipiatur puncto R Exa, reliqua aurer longit
dine nobilis, ita ue novem quali annis Zodiacum perat
buler. Ab hac igitur apogei linea cenrrum epieveli major
quot mensibus dieressum revolvicur ad candem à B per C.
D, F, donec irerum assequatur B aposeum Lunx paul
ultra punctum Zodiaci, in quo illud proxime reliquera
Deinde a centro epicyelimajoris ad cenrrum minoris exren
recta Bn, Cn, Dn: Fn Temper est huic linex apo
D AB parallela; unde sequitur, centro epicveli major
exicterice in C, angulum mC n, sive arcum mn, quo cencrut
exicycli minoris digressum est ab apogéo epicveli majorisn
semper ese xequalem angulo B A C, sive arcui B C, quo cett
erum exicyeli majoris disressum est à linea apogei DA
diciturque urerque anomalia media Luna. MOtuS veroet
cyeli minoris, semper duplus es morus exicyeli majoris;
quemadmodum _ radius majoris C. n duplus est radii m
noris ni) e semper incipit ab a puneto sux circumferentia,
quod linea conneetens centra B an, C a v, _CC. tran (II.
Sic
centro epicycli majoris existente in BaposCO; incipir motu
epiereli majoris ab n, eminoris, adeoque corporis Lund
ab a. Rursus centro epiereli majoris exiltente in C, 
M
sic quadrans circuli, cric a ei Permicirculus. _ Luna ini
item centro epicveli majoris existenre in D. (I m on (ic semi
circulus, erit a c 10 a integer circulus, e L. una ab a rediet
ad a. Venique centro exicveli majoris existente in F
UT arCUSBC D F SiF V. BC. 10 Signorum, erir smilicer mot
epio
Et