Nr. 564
Machine for the integration of the Riccati differential equation
Row: 1

Nr. 292
Grid of the diamond and the corresponding sphere packing
Row: 1

Nr. 530
Two logarithmic circles according to Mehmke
Row: 2

Nr. 585
Mehmke's machine for the resolution of complete cubic equations
Row: 2

Nr. 584
Mehmke's machine for the resolution of algebraic equations
Row: 2

Nr. 558
High-precision pantograph from Coradi
Row: 3

Nr. 536
Polar planimeter
Row: 3

Nr. 562
Bar circle
Row: 3