This model resembles a regular dodecahedron, but a pentagonal pyramid is attached to three non-adjacent faces. Its faces are fifteen equilateral triangles and nine regular pentagons. On Berman's ...

A mark on the model reads: 612 (/) 624. Another mark reads: DT-13. A third mark reads: June-8-1931. Location Currently not on view Credit Line Gift of Helen M. Wheeler date made 1931 06 08 ID Number ...