Jakob Faurvig Thorvaldsens Museum Ubekendt, THM H 351 Water clock (klepsydra) with heiroglyphic inscriptions and figures of deities Production Date332 BC - 30 BC Type of Work / ObjectClock > Water Clock > Clepsydra Location Denmark > Copenhagen > Thorvaldsens Museum > Upper Floor > Room 35 Inventory NumberH351 Catalogue NumberH351 Catalogue Level / CollectionThorvaldsen's Collections > Collection of Antiquities (H) Additional Catalogue Information MaterialStone > Basalt Dimension Height 17.9 cm Width 10.6 cm Culture / Period Egyptian > Ptolemaic Dynasty (304 BC - 30 BC) Owner Thorvaldsens Museum Acquisition ModeBequest from Bertel Thorvaldsen Acquisition DateMarch 24, 1844 Permalinkhttps://kataloget.thorvaldsensmuseum.dk/en/H351 Sources / Literature Ludvig Müller: Fortegnelse over Oldsagerne i Thorvaldsens Museum (H), 1847, 351 Henry Madsen: Les inscriptions égyptiennes du musée Thorvaldsen à Copenhague, Sphinx, 1909, p. 57