Nr. 176
The tangent surfaces belonging to models 163-170
Row: 1

Nr. 175
The tangent surfaces belonging to models 163-170
Row: 1

Nr. 178
The tangent surfaces belonging to models 163-170
Row: 2

Nr. 177
The tangent surfaces belonging to models 163-170
Row: 2

Nr. 170
The types of the development of a space curve at a small scale
Row: 3

Nr. 169
The types of the development of a space curve at a small scale
Row: 3

Nr. 168
The types of the development of a space curve at a small scale
Row: 3

Nr. 462
The curve as example
Row: 4