| Material | |
| PLEXIGLAS® XT | |
|
dimensions: 8000 x 10000 mm (front surface) thickness: t = 15 mm year of manufacture: 1999 |
| Material | |
|
PLEXIGLAS® GS transparent, two ball segments glued |
|
|
radius: r = 1108 mm hight: h = 1400 mm |