A 20th century orrery planetarium clock by St James's House of London, brass construction with central pointers and other indicators detailing time, calendar and six planets (Mercury to Saturn) orbiting the sun in real-time. The eight-day clock movement in working order, winder to the base. A plaque engraved with maker's details and limited edition 'No. 631-1500'. Height 17.13 in.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
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