Aed (c840-878), sometimes spelt Aodh, became king of Scotland in 877 when he succeeded his brother Constantine I. He was killed shortly after taking the throne by Giric. His successor was Eochaid who perhaps ruled jointly with Giric.
... upper rim of the groove, while the other end of the axis pushes against the lower rim of the groove. While the axis is slipping around inside the groove, the friction ...