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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 118, page id 820424455:0140
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ASTPONOMIA.
Lib. L.
Er quineuplo fere major radio orbitae Telluris vel SoliscX;
ee orbira Sacurniik, cujus radius ci sic fere decuplus radit
CX, utrumque sic exigentibus phaenomenis deinceps exp
candis. Ita concinnarum videbimus verum Syctema Mundh,
quale circuli nigri indigitant. Pc nisi fxa in calo appa
rerent, qua arguerene Solem quorannis duodecim acterisinos
Lodiaci perarbulare; niss item Planera praerer inxe qual
tarem primam etiam annuam experirentur; nisi denique vt
cisticudines restaris ex hvemis, nec non ausmenta e decre
menta dierum ex noctium deprehenderentur; nihil opus esse
circulis punctaris, quorum alter cm exprimir orbitam Solio
circa Terram grraci, alter Zl orbitam Terra circa Solem
FOTAEX. Nami apparenciae inaequalicaris primae Planerarum
Porerane aeque explicari, (i nec Sol circa Tellurem, neque
haec circa solem mocu annuo raperetur, dummodo cenira
Solis ex Terra paulum quorannis ad invicem accedere 
recedere ponantur. Sed tor reliqua phaenomena, guorenu
erarimus modo, Aagirant omnino, uc vel Solterram, ve
tixc Solem circumeat quotarinis; ita quidem, ut circumacte
Sole quiescat Terra vel conra. Si cum Tychone Solet
statuimus mobilem, sola terra quiescir in X ec pergence
Sole ac per n e m, una pergunt omnium Planerarum orbicd
(excepca Luna). ita quidem ur transtato centro c transte
rancur simul ipsx, acque eodem mom describune sinsula
puncta orbirae cujusque, verbi or. punctum h orbitae h8.
circulum hop aequalem circulo cn m, à centroc descripios
Sin Copernicum lequuri Statnamus Terram mobilem; maneriu
omnes orbicx prortus Tuo loco, quemadmodum _ CenCrUNI
earum Sol manet in c imraobilis, ac Sola Fellus eodem rem
pore, quo Sol debuisser moreri à c per n ad m, movetur ipla
ab x per gadI. Poliro nunC areu morus cerrae xg aequali
arcui mocus solis on, videbitur oculo noltro in cellure polo
Sol versus eandem mundi plasam, sive hic moreatur, sire ilta
Moco enim primo sole àc adn, et quiescente in oculo d.
radius ab oculo ad Solem est Xn. Moca aurem rursusret
ure ab  ad g, quortum e oculus pervenerit, dum 50
quielcit