21
22
23
Hooijmaijers, Hans, Zuidervaart, Huib J.
Veröffentlicht in: Hooijmaijers , H & Zuidervaart , H J 2017 , ' The History of the Oldest Planetarium in the Netherlands: The 'Sphaera Movens', nicknamed the 'Leyden Sphaera' ' , Bulletin of the Scientific Instrument Society , no. 133 , pp. 13-24 .;
2017
Veröffentlicht in: Hooijmaijers , H & Zuidervaart , H J 2017 , ' The History of the Oldest Planetarium in the Netherlands: The 'Sphaera Movens', nicknamed the 'Leyden Sphaera' ' , Bulletin of the Scientific Instrument Society , no. 133 , pp. 13-24 .;
2017
24
25
26
27
28
29
30