Series XIII
Number |
Title |
Date of Design |
Dimension (cm) |
Material |
|
Ruled surface with two real double lines and four pinch points on each line |
1886 |
18 x 18 x 18 |
Metal frame with wires |
|
|
Ruled surface with two conjugated imaginary double lines |
1886 |
18 x 18 x 18 |
Metal frame with wires |
|
|
Ruled surface with cubic double curve and four pinch points |
1886 | 18 x 18 x 18 | Metal frame with wires | |
| Ruled surface with cubic double curve without pinch points | 1886 | 18 x 18 x 18 | Metal frame with wires |
