Richard Glynne (18th century) Armillary sphere-orrery, ca. 1720 This instrument is a combination of an armillary sphere and a new kind of planetarium called an orrery. It demonstrates the structure of the Copernican universe.
An exceptional brass and silvered-brass mechanical equinoctial standing ring-dial made by Richard Glynne for the Earl of Ilay, London, c. 1720. This combination sundial and mechanical clock illustrates the continuing dependence upon sundials for precision timekeeping.