AÁvSTRIACA SIDERA | 48 Fundamentum huius propofitionis ei fimile eft quod fuit Prop. rrir. Intelligi enim debet pun&tum verticale E, fluere per circulum Zenithalem EDO circa polum C, Sole exiftente immobili in declinatione G. Nam oculo pofito in ipfo Sole G circulus horarius & verti- calis apparent… … PRO:
Astronomy -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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