Discover Astronomical Clocks

Geared to the stars

Gears from the Greeks

The planetarium of Giovanni de Dondi, citizen of Padua

Decoding the Heavens: Solving the Mystery of the World's First Computer. by Jo Marchant

The Astronomical clock in Münster Cathedral

Supplement to the Description of an astrological clock, belonging to the Society of Antiquaries

Antikythera mechanism ; the book

Jens Olsen's clock, a technical description

Mingtang and Buddhist utopias in the history of the astronomical clock

Globes and spheres

The Hall of Heavenly Records

Clock synchronization and navigation in the vicinity of the earth

Egyptian astronomical texts

Sidereal clock and mean solar clock combined

The archaic and the exotic

Heavenly clockwork

Description de l'horloge astronomique de la cathédrale de Strasbourg

Search for evidence of a clock related to the solar 154 day complex of periodicities

Description of an astrological clock, belonging to the Society of Antiquaries of London : in a letter to the President

Description of the galvanic chronographic apparatus of the Royal Observatory, Greenwich

L'horloge enchantée

Decoding the Heavens

Solar and sidereal digital clock

The mediaeval astronomical clock in Lund Cathedral, with a survey of some similar clocks onthe Continent and in England