Nr. 505
Calculating machine Brunsviga System Trinks
Row: 1

Nr. 523
Machine from Rottsieper for the calculating of the Poisson integral for the circle
Row: 1

Nr. 580
Logarithmic measuring rod
Row: 1

Nr. 669
Influence area (Green function) for bending moments
Row: 1

Nr. 670
Influence area (Green function) for shear forces
Row: 2

Nr. 672
Torsion experiment with a zinc bar, acerous crystals formed at pouring of the bar
Row: 2

Nr. 834
Perspectograph of Ritter
Row: 2

Nr. 918
Model for the demonstration of the main axis of inertia of a field
Row: 2