Nr. 431
Large demonstration model of the Desargues' theorem in space
Row: 1

Nr. 660
A glass plate to let gyros dance on
Row: 1

Nr. 671
Tie bar made of soft mild steel
Row: 1

Nr. 673
Torsion experiment with a bar of mild steel
Row: 1

Nr. 674
Torsion experiment with a bar of mild steel
Row: 2

Nr. 679
Aluminum tubes below simultaneous impact of axial pull and inside pressure
Row: 2

Nr. 680
Aluminum tubes below simultaneous impact of axial pull and inside pressure
Row: 2