Short answers, pulled from the story.
The device took its English name from Charles Boyle, who held the title of 4th Earl of Orrery in County Cork, Ireland. John Rowley improved a design and presented it to the Earl while Richard Steele popularized the term orrery in an article written in 1713.
A wreck off the Greek island of Antikythera yielded a bronze mechanism in 1901 that dates between 205 and 87 BC. It displayed the diurnal motions of the Sun, Moon, and five known planets as a mechanical calculator for astronomical positions.
Giovanni Dondi completed his clock-driven mechanism in 1348 which displayed the ecliptic position of seven celestial bodies according to Ptolemaic theory. The original clock is lost but Dondi left detailed descriptions of its gear trains.
A permanent human orrery exists at Armagh Observatory in Northern Ireland where six ancient planets, Ceres, and comets Halley and Encke move there. Another true-to-scale model operates at Sky's the Limit Observatory in Twentynine Palms with accuracy within four days over twenty billion to one ratio.
The LEGO Group commercially produced an orrery in 2024 that assembles exclusively from plastic elements to reproduce solar orbits. Planetariums project images onto domes using geared motors where Venus takes thirty-seven seconds to complete an orbit on such displays.