M. M. Ill : N.E. BORDERS AND BASEMENTS OF E. HALL 379
limestone (see Fig. 275).1 The latter showed cement and terra-cotta frag- Vertical
Ducts
ments adhering to its upper surface, which had evidently belonged to a draining
cement-cased vertical duct; a section, moreover, of a sauare-cut terra-cotta Upper
' ' x _ Court.
conduit, forming an elbow, stood in connexion with this drain-head. A
larger shaft must have run up from the other stone drain-head and the basin
of this below opened on a stone conduit, of square section like the other but
of larger capacity, the course of which, as will be seen, it was possible
to trace down two terraces to the East.
It is clear that the ducts running downwards to these drain-heads were
Fig. 275. Stone Drain-head and Conduit. (Inset, Smaller Drain-head.)
from the first surrounded, for their support as well as for the consolidation of
the platform above, with filling earth ; nothing, indeed, derived from the
upper story was found on the floor-level of this area.
The stone conduit which proceeded from the larger of the stone drain- Course of
heads turned almost immediately East, and at the point where it approached trough
the M. M. Ill North-East Portico, described below, a passage had been cut for E- Por_
1 1 tlc0 to
it through its S.E. angle. The course of the stone channel through this stone
Spout
1 Of the original East wall of the area that the upper terrace facade line. The drain-
contained the drain-heads and near to which heads th em selves were set on the platform well,
they stood, only the substructures remained. of the terrace, and thus occupied a secure
This wall had originally formed a section of position.
limestone (see Fig. 275).1 The latter showed cement and terra-cotta frag- Vertical
Ducts
ments adhering to its upper surface, which had evidently belonged to a draining
cement-cased vertical duct; a section, moreover, of a sauare-cut terra-cotta Upper
' ' x _ Court.
conduit, forming an elbow, stood in connexion with this drain-head. A
larger shaft must have run up from the other stone drain-head and the basin
of this below opened on a stone conduit, of square section like the other but
of larger capacity, the course of which, as will be seen, it was possible
to trace down two terraces to the East.
It is clear that the ducts running downwards to these drain-heads were
Fig. 275. Stone Drain-head and Conduit. (Inset, Smaller Drain-head.)
from the first surrounded, for their support as well as for the consolidation of
the platform above, with filling earth ; nothing, indeed, derived from the
upper story was found on the floor-level of this area.
The stone conduit which proceeded from the larger of the stone drain- Course of
heads turned almost immediately East, and at the point where it approached trough
the M. M. Ill North-East Portico, described below, a passage had been cut for E- Por_
1 1 tlc0 to
it through its S.E. angle. The course of the stone channel through this stone
Spout
1 Of the original East wall of the area that the upper terrace facade line. The drain-
contained the drain-heads and near to which heads th em selves were set on the platform well,
they stood, only the substructures remained. of the terrace, and thus occupied a secure
This wall had originally formed a section of position.