Observatoriet - Lecture and a guided tour

Last ned mediefil

1 - Professor Bjørn Ragnvald Pettersen: "Christopher Hansteen and the University Observatory"
2 - 0:54:40 Guided tour

 

 

 

 

 

 

 

 

Publisert 12. apr. 2019 16:23 - Sist endret 10. sep. 2020 11:39