Portable Cylindrical Sundial
![Image of a portable cylindrical sundial made from bone. The sundial has two parts: the hollow cylinder and an insertable plug housing the gnomon, which can be rotated to project at a right angle to the cylinder for use or be contained within it for storage.](https://isaw.nyu.edu/exhibitions/time-cosmos/objects/portable-cylindrical-sundial/@@images/cc20b6eb-cee7-4c5d-988c-0295034b78b7.jpeg)
Portable Cylindrical Sundial
- Medium:
- Bone
- Dimensions:
- H. 6.2 cm; Diam. 2.5 cm
- Context:
- Tomb of the Physician, Este, Italy
- Date:
- 1st century CE
- Inventory Number:
- IG MNA 15397
- Lender:
- Museo Nazionale Atestino di Este
- Credit:
- Museo Nazionale Atestino di Este
© Institute for the Study of the Ancient World / Guido Petruccioli, photographer