Whittaker shows that a water-mill was erected by the Romans at every stationary city in Roman Britain.

The origin of mills is attributed to Mithridates, King of Cappadocia, about seventy years B.C.The present miller claims to be a descendant of the original miller.
[175] _Identical_ .-- First, "because the _Lia Fail_ is spoken of by all ancient Irish writers in such a manner as to leave no doubt that it remained in its original situation at the time they wrote." Second, "because no Irish account of its removal to Scotland is found earlier than Keating, and he quotes Boetius, who obviously wished to sustain the claims of the Stuarts." The pillar-stone is composed of granular limestone, but no stone of this description is found in the vicinity.

As may be supposed, there are all kinds of curious traditions about this stone.

One of these asserts that it was the pillar on which Jacob reposed when he saw the vision of angels.

Josephus states that the descendants of Seth invented astronomy, and that they _engraved their discoveries on a pillar of brick and a pillar of stone_.