"We do not know when men first began to use instruments which were at all similar to modern sundials. A stone fragment in a Berlin museum is thought to be the earliest known sundial, dating from about 1500 B.C. The Bible mentions what some authorities take to have been a sundial (although the meaning is by no means certain) in the days of , king of some 700 years before Christ ... About a century later the Greek philosopher and astronomer Anaximander of is said to have introduced the sundial into Greece."