Cadran solaire équinoxial en forme de croix, 1596. Non signé mais attribuable à l'atelier d'Adrian Zeelst. Laiton, originellement doré. 56mm (hors l'anneau de suspension) x 32mm x 7mm. Le cadran est composé… - Chayette & Cheval - 18/12/2015
"The Museum of the History of Science, Oxford has a polyhedral sundial in the shape of an octagon that has been attributed to Nicolas Kratzer: The sundial made about 1425 for Cardinal Wolsey. The four-sided base has Wolsey's arms, the arms of York Minster, and (on two sides) a cardinal's hat."
Polyhedral sundial with 26 faces, dating from the 16th century. On display at the Museum of the History of Sciences in Florence, Italy. Artist: Tomsich. [Click for Hi-Rez] (via http://fineartamerica.com/featured/polyhedral-sundial-tomsich.html )