Klepsydra drain where it tunnels through bedrock under the Middle Stoa ... north 2752 Horizontal (normal) ... 4 Jul 1968
View of the drain after the removal of one pair of drain tiles ... north 2150 Horizontal (normal) ... 17 Mar 1959
Klepsydra drain just south of the south wall of the Middle Stoa ... south 2750 Horizontal (normal) ... 4 Jul 1968
View of the drain after the removal of one pair of drain tiles ... AMS north 2150 Horizontal (normal) ... 17 Mar 1959
