Medieval Time-Keeping: The San Zeno Wheel of Verona
This model is a product of a research project on the San Zeno Wheel, a large calendar wheel made up of three movable disks made in Verona in the fifteenth century. The Wheel currently hangs in the Map & Atlas Museum of La Jolla, San Diego, whose director was kind enough to let me take pictures of the Wheel using my phone and share the resulting 3D model online. For the full story of how the model was made, see 'The San Zeno Wheel in 3D' on the Oxford Internet Institute Blog. I am indebted to the Scientific Instrument Society, whose small grant funded my travel to La Jolla from the Huntington Library, where I was researching as a Dibner Fellow in August 2016.
The outcomes of this research can be found in S. M. Griffin, ‘Synchronising the Hours: A fifteenth-century wooden volvelle from the Basilica of San Zeno, Verona,’ Journal of the Warburg and Courtauld Institutes, LXXXI (2018), pp. 31-67.