Hydraulic Unknown Limestone Very poor, foundations only ... 350-300 B.C.
Clock Unknown Limestone Fair ... 350-300 B.C.
Area between the Middle Stoa and the "Heliaia" (now identified as the Aiakeion), showing stratification. In right foreground, poros water channel carrying overflow from the Southwest Fountain House ... AMS south 1913 ... 26 June 1965
