Passemant astronomical clock
France
The Passemant astronomical clock is an astronomical clock designed by Claude-Simeon Passemant in the eighteenth century. It is displayed in the Salon de la pendule in the petit appartement du roi on the first floor of Versailles, France. The clock set the official time in France for the first time in the kingdom's history.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).