View of the drain after the removal of one pair of drain tiles ... north 2150 Horizontal (normal) ... 17 Mar 1959
Klepsydra drain where it tunnels through bedrock under the Middle Stoa ... north 2752 Horizontal (normal) ... 4 Jul 1968
Klepsydra drain just south of the south wall of the Middle Stoa ... south 2750 Horizontal (normal) ... 4 Jul 1968
Middle Stoa north aisle. On left, stretch of the pressure pipe/Channel 14 and on the right, Tile Drain 4, related to the Klepsydra Water Clock. End of 1996 season ... Grid: I/8-13 south 3325 Horizontal (normal) ... August 1996
