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Polyhedral Combining various orientations on multiple faces ![]() A silver polyhedral dial in the form of a dodecahedron with dials on eleven faces. By Hans Koch. 16th century. ![]() A polyhedral dial in the form of an octahedron. By Stefano Buonsignori, Florence, 16th century. ![]() A polyhedral dial with faces oriented to tell time in various world cities.
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