Tellurion
Encyclopedia
A tellurion is a clock
, typically of French or Swiss origin, surmounted by a mechanism that depicts how day, night and the seasons are caused by the movement of the Earth on its axis and its orbit around the sun. The clock normally also displays the age of the moon, and the four-year (perpetual) calendar.
It is related to the orrery
, which illustrates the relative positions and motions of the planets and moons in the solar system in a heliocentric model.
The word 'tellurion' derives from the Latin 'tellus', meaning 'Earth'.
Clock
A clock is an instrument used to indicate, keep, and co-ordinate time. The word clock is derived ultimately from the Celtic words clagan and clocca meaning "bell". A silent instrument missing such a mechanism has traditionally been known as a timepiece...
, typically of French or Swiss origin, surmounted by a mechanism that depicts how day, night and the seasons are caused by the movement of the Earth on its axis and its orbit around the sun. The clock normally also displays the age of the moon, and the four-year (perpetual) calendar.
It is related to the orrery
Orrery
An orrery is a mechanical device that illustrates the relative positions and motions of the planets and moons in the Solar System in a heliocentric model. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented...
, which illustrates the relative positions and motions of the planets and moons in the solar system in a heliocentric model.
The word 'tellurion' derives from the Latin 'tellus', meaning 'Earth'.