De mundi circa terram pervolitantia duodecimque signorum ex septentrionali meridianaque parte siderum dispositione, ut sit perspectus docui.
I have described the revolution of the firmament round the earth and the arrangement of the twelve signs and of the constellations to the north and south so as to present them to a clear view.
final_alignments\Vitruvius_Architecture_Book_9.json