Series XVII
Number |
Title |
Date of Design |
Dimension (cm) |
Material |
|
Two mutually orthogonal systems of circles on sphere resp. tetrahedral tesselation of sphere |
between 1891 and 1898 |
15 resp. 9 (diameter) |
Gypsum |
Number |
Title |
Date of Design |
Dimension (cm) |
Material |
|
Two mutually orthogonal systems of circles on sphere resp. tetrahedral tesselation of sphere |
between 1891 and 1898 |
15 resp. 9 (diameter) |
Gypsum |
