Delfino, Federico, De fluxu et refluxu aquae maris, 1559

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1æquatore occidentali fere LXVI gradibus, & à ſectione ecli­
ptica
octauæ cum æquinoctionali IX gradibus, & XLV min.
fere
eclipticæ octauæ diſtans: ſectio ergo eclipticæ octauæ
cum
æquinoctionali fiebat ſuper XX grad. & XII min. in ſi­
gno
piſcium eclipticæ octauæ ſphæræ.
maxima autem æquatio
octauæ
ſphæræ motus ſecundum Thebit contingit, quando ca
put
arietis octauæ ſphæræ fuerit in punctis diſtinguentibus
quartas
ſui parui circuli ab interſectionibus eius cum æqua­
tore
, & eſt X grad. & XLV min. unde ſequitur quòd quodli­
bet
punctum eclipticæ octauæ ſphæræ à XIX grad. & XV min.
piſcium
, uſque ad X grad. & XLV min. arietis eclipticæ
ctauæ
ſphæræ cum æquinoctionali, & ex conſequenti in eo fie
ri
æquinoctium uernale.
idem intelligendum eſt de puncto
æquinoctii
, autumnali in arcu eclipticæ octauæ ſphæræ oppo­
ſito
, uidelicet à XIX gradu uirginis, & XV min. uſque ad X
grad
. & XLV min. libræ.
conſtat etiam per prædicta puncta
tropica
, ſeu maximarum declinationum ſolis, ſeu eclipticæ
ctauæ
ſphæræ, ſub qua ſemper, & continue diſcurrit centrum
corporis
ſolis ab æquinoctionali continue reſpectu æquino­
ctionali
uariari, nunc ei appropinquando, nunc ab eo elon­
gando
: ſimiliter conſtat ea ſemper numero eſſe in capite can­
cri
, & capricorni octauæ ſphæræ: ſed ſemper eſſe in punctis
eclipticæ
octauæ ſphæræ diſtantibus à ſectionibus eclipticæ
ctauæ
ſphæræ cum æquinoctionali per quartam.
Ptolomæus
itaque
iudicans ſtellas fixas octaui cæli tempore ſuo moueri ab
occidente
uerſus orientem, uidelicet ſecundum ſucceſſionem
ſignorum
, credidit unum tantum eſſe zodiacum, ſcilicet no­
ſphæræ, ſeu primi mobilis fixum, ſcilicet qui ſemper ha­
beret
eandem declinationem ab æquinoctionali ſub ecliptica,
cum
ſemper, & continue moueretur ſol: ad quam credulita­
tem
ſequitur illud, quod ipſe dixit: nam ex quo ſtellæ fixæ
mobiles
inuentæ ſunt tempore ſuo, receſſiſſe à tropico hiema­
li
, & acceſſiſſe uerſus æquinoctionalem: & quæ erant inter æ­
quinoctionalem
, et tropicum æſtiuum inuentæ ſunt: receſſiſſe
ab
æquinoctionali in parte ſeptentrionis uerſus tropicum

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