Identification
| ID in this catalogue | WCO 20 |
| Type | Outflow water clock |
| Current Location | Last known to be in the Capitoline Museums, Rome - unverified |
| Catalogue Numbers | Unknown |
| Provenance | A private house near the site of a temple of Isis and Sarapis (monastery of Santa Lucia in Selci). |
| Date | Probably Roman era, based on the style of interior markings |
| Dimensions | Maximum dimension around 11 cm |
| Material | Basalt |
|
Condition |
Unknown |
| Publications | Borchardt (1920) |
Content
| External registers | None |
| External upper band of text | No external decoration |
| External lower band(s) of text | No external decoration |
| Exterior Astronomical Diagram | No |
| Rim | Month and zodiac markings: Phamenoth Pharmouthi, Pisces and the spring equinox, plus some finer gradation of the year via holes (six per month). |
| Interior markings | Yes, apparently dots joined by horizontal lines. |
| Other features |
Notes
See also the entry in: Schomberg, A., Berlin Waterclock Project, ID 39 Rome, 2019, Edition Topoi, DOI: 10.17171/2-10-33
Images
See Borchardt (1920) for a drawing of the interior and rim.