Robuta

https://books.google.com/books?id=r79GAAAAcAAJ&printsec=frontcover Johannis Heckeri motuum Coelestium Ephemerides ab Anno Ae. V. MDCLXVI ad ... - Johann Hecker -... johann hecker johannis motuum coelestium ephemerides https://bildsuche.digitale-sammlungen.de/index.html?c=viewer&l=nl&bandnummer=bsb10501539&pimage=516&v=100&nav= Hecker, Johann: Hecker, Johann:Johannis Heckeri motuum Coelestium Ephemerides ab Anno Ae. V.... hecker johann motuum coelestium ephemerides