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 |