Later Activity
The Roman lamps, nos. 9-11, provide the only datable evidence of activity on the Dema tower site after the abandonment of the secondary structures. Nos. 10 and 11, both the same type, date to the late fifth or sixth century A.D. No. 9 seems to be earlier, possibly by as much as two centuries. The absence of other identifiable Roman pottery or any traces of building activity suggests that the lamps were left on the site by occasional visitors who did not occupy the site for any prolonged period of time. It seems likely that these were votive lamps, left at the ruins of this hilltop tower which, by the Roman period, must have looked much as it does today, that is, a circular stone heap conspicuously placed on a hill-top. The remains might have been taken for an ancient altar, a tumulus, or some such venerable relic.[22] Roman lamps have been found at other mountaintop sites in Attica where there are classical remains, so it is not surprising that they should appear in this context as well.[23]
The appearance of the ruined Dema tower in later times might well have led people to believe that it was a tumulus over a grave, suggesting that treasure of some sort lay buried within. If so, this might explain why the top of the rubble base of the tower is so thoroughly ruined and why a hollow has been dug out of its rubble fill. The deliberate disturbance of other mountaintop tower sites demonstrates that digging of this sort did take place.[24] This digging probably occurred after the lamps had
been left on the site, since all of the lamps were found buried beneath a thick layer of rubble that must have been thrown from the tower.