The Mysterious Bronze Objects that Have Baffled Archaeologists for Centuries
The first dodecahedron was discovered nearly 300 years ago, yet no one is
certain just what they were used for. By Tom Metcalfe, Mental Floss |
[www.mentalfloss.com]

Roman dodecahedron - [en.wikipedia.org]

One theory.

Sparavigna, A.C., 2012. A Roman Dodecahedron for measuring distance.
arXiv preprint arXiv:1204.6497.
[arxiv.org]

Sparavigna, A.C., 2012. Roman Dodecahedron as dioptron: analysis of
freely available data. arXiv preprint arXiv:1206.0946.
[arxiv.org]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)