From ... Author: Regiomontanus, Joannes, 1436-1476 Title: Calendarium Description of Image: Woodcuts of lunar eclipses Closer View

From ... Author: Regiomontanus, Joannes, 1436-1476 Title: Calendarium Description of Image: Heavily annotated page Closer View

From ... Author: Regiomontanus, Joannes, 1436-1476 Title: Calendarium Description of Image: Front cover; made from leaf of a manuscript psalter Closer View