Get a behind-the-scenes look at our reassembly of our Grand Orrery from 1740! ⭐ | The Adler Planetarium

This extraordinary orrery clock stands as a pinnacle achievement in early 19th-century French horology, created by Zacharie Raingo, the distinguished clockmaker-mechanic to the French crown. Presented to King Louis XVIII in 1817, this three-column masterpiece represents the convergence of scientific precision and royal luxury that defined the finest French timepieces of the Restoration period. At its mechanical heart, a gilt-bronze sun commands the center while Earth orbits in perfect harmony, c