Celestial Engine

An astronomical calculator in Feroda

foot deep.
 * It is approximately 6 feet tall, 2½ feet wide and 1
 * It weighs 320 pounds.
 * It has over 100 gears.
 * It is stored in the Tower of Planets
 * It is made from a yellow metal similar to brass.
 * It was made by the Elder Giants for their Children
 * The Ferodans seized it from a Giant Cradle
 * The Zistorites used it in their rituals.
 * It displays the position of nine planets, Orlanth's Ring and a few other celestial bodies.
 * It does not show the Twin Stars
 * It shows the Pale Planet with a twenty day period.
 * The engine can be used to display the sky at anytime right down to the hour, day and year.
 * It is the focus of the Celestial Engine Scenario

Source: Pavis: Gateway to Adventure