Full text: de Sacrobosco, Johannes: Sphaera Ioannis de Sacrobosco

IO. DE SACROB. ctialis circa terram ſemel, cum tanta Zodiaci parte,
quantam {in}terim Sol pertranſit motu proprio contra
firmamentum. Sed cùm aſcen
ſiones illorum arcuum ſint {in}æ-
quales, vt patet per prædicta,
tam {in} ſphæra recta ꝗ̈ {in} obli-
qua, & penes additamenta il-
larum aſcenſionum conſideren
tur dies naturales, illi de neceſ-
ſitate erunt {in}æquales. In ſphæ
ra recta, propter vnicam cau-
ſam, ſcilicet, propter obliquitatem Zodiaci, & obli-
quitatem Horizontis obliqui. Tertia ſolet aßignari
cauſa, eccentricit{as} circuli Solis.

28.1.

B A

Notandum etiam, quòd Sol tendens à primo pun-
cto capricorni per arietem, vſque ad primum pun-
ctum cancri, raptu ſirmamenti deſcribit. 182. paralle-
los, qui quidem paralleli & ſi non omnino ſint circuli,
ſed ſpiræ, cùm tamen tamẽ non
ſit in hoc error ſenſibi-
lis, in hoc vis non con-
ſtituatur, ſi circuli ap-
pellentur. De numero
quorum circulorum circulorũ ſunt
duo tropici, & vn{us} æ-
quinoctialis. Item iam
dictos circulos deſcribit

Waiting...

Note to user

Dear user,

In response to current developments in the web technology used by the Goobi viewer, the software no longer supports your browser.

Please use one of the following browsers to display this page correctly.

Thank you.

powered by Goobi viewer