...he time was called by watches, which divided the time between the rising and setting of the sun. About thirty years after, the Consul Marcus Valerius Messala brought to Rome a dial from the spoils of Catania, in Sicily , and this he placed on a pillar near the rostrum; but, not being calculated for the latitude of Rome, it was inexact. The obelisk erected by Augustus in the Campus Martius was brought by his orde...