Nr. 528
Bar planimeter according to H. v. Sanden
Row: 1

Nr. 529
Bar planimeter according to H. v. Sanden
Row: 1

Nr. 535
Spherical planimeter from Schnöckel
Row: 1

Nr. 879
Butenschön ellipse compass
Row: 2

Nr. 545
Catenograph
Row: 2

Nr. 546
Drawer of conic sections from Hildebrandt
Row: 2

Nr. 547
Ellipse circle from Karl Rohn
Row: 2

Nr. 542
Hyperbola drawer from Rottsieper
Row: 2

Nr. 880
Ellipsograph
Row: 3

Nr. 881
Evolvent compass of H. Hofer
Row: 3

Nr. 559
Mirror ruler according to Reusch
Row: 3

Nr. 577
Mirror ruler according to Blaess
Row: 3

Nr. 521
Prism derivator
Row: 3

Nr. 540
Affinograph
Row: 4