Andronicus of Cyrrhus

Andronicus of Cyrrhus was a Greek astronomer who flourished about 100 BC.

He built a horologium at Athens, the so-called Tower of the Winds, a considerable portion of which still exists. It is octagonal, with figures carved on each side, representing the eight principal winds. In antiquity a bronze figure of Triton on the summit, with a rod in his hand, turned round by the wind, pointed to the quarter from which it blew. From this model is derived the custom of placing weathercocks on steeples.

Initial text from 1911 encyclopedia