Nr. 58
Cubis ellipse
Row: 1

Nr. 56
The four types of space curves of 3. order on gypsum cylinders of 2. order.
Row: 2

Nr. 55
The four types of space curves of 3. order on gypsum cylinders of 2. order.
Row: 2

Nr. 54
The four types of space curves of 3. order on gypsum cylinders of 2. order.
Row: 2

Nr. 53
The four types of space curves of 3. order on gypsum cylinders of 2. order.
Row: 2

Nr. 430
Tangent surface of the space curve of 4. order
Row: 3

Nr. 59
Space curve of 4. order
Row: 4

Nr. 75
Ruled surface of 3. order
Row: 4