Identification
ID in this catalogue WCO 10
Type Outflow water clock 
Current Location
Fragment a) The Louvre Museum
Fragment b) Thorvaldsens Museum
Catalogue Numbers
Fragment a) Louvre N664
Fragment b) Thorvaldsens H351 
Provenance Unknown
Date Ptolemaic Period,  285 - 246 BCE
Dimensions
Fragment a) Height 9.60 cm; width 10.10 cm
Fragment b) Height 17.9 cm; width 10.6 cm
Material Granodiorite
Condition Fragmented: two fragments are located in France and Denmark.
Publications Borchardt (1920); Danneskiold-Samsøe (1975); Neugebauer and Parker (1969)
 
Content
External registers Probably three 
External upper band of text No
External lower band(s) of text Unknown
Exterior Astronomical Diagram On the 10a) fragment, the upper body of Orion and part of the decan list is preserved. On the 10b) fragment, we find a planet and part of the circumpolar attendant deities.
Rim Abbreviated month names
Interior markings Fill line and three dots going down the length of the waterclock
Other features  
 
Notes

See also the entries in:

Schomberg, A., Berlin Waterclock Project, ID 31 Louvre 644, 2019, Edition Topoi, DOI: 10.17171/2-10-25 [Fragment a] (Berlin cast of this object is ID 6.)
Schomberg, A., Berlin Waterclock Project, ID 32 Thorvaldsen 351, 2019, Edition Topoi, DOI: 10.17171/2-10-26 [Fragment b]

Images

 a) Louvre Museum photos: https://collections.louvre.fr/ark:/53355/cl010028348

b) Photo (CC0 License) from Thorvaldsens Museum:

 Fragment WCO 10b Thorvaldsens H351