Ptolemy, Quadripartitum (tr. Hernán Núñez de Guzmán)

Madrid, UC-AHU, cod. 122 · 62v

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Capitur autem horum ecodespotia in erraticis quidem stellis hoc pacto. Qui enim plures habuerit rationes erga ambo predicta loca, eclipsis videlicet et anguli eam subsequentis, secundum applicationes