Nr. 172
The tangent surfaces belonging to models 163-170
Row: 1

Nr. 171
The tangent surfaces belonging to models 163-170
Row: 1

Nr. 174
The tangent surfaces belonging to models 163-170
Row: 2

Nr. 173
The tangent surfaces belonging to models 163-170
Row: 2

Nr. 164
The types of the development of a space curve at a small scale
Row: 3

Nr. 163
The types of the development of a space curve at a small scale
Row: 3

Nr. 167
The types of the development of a space curve at a small scale
Row: 4

Nr. 166
The types of the development of a space curve at a small scale
Row: 4

Nr. 165
The types of the development of a space curve at a small scale
Row: 4