French Clock with orrery planetary model by Raingo Freres, 1830-1832

Raingo orrery clock, French, 1830-1832.
Dated 1830--2, this ornate planetary model was made by the Parisian clock makers, Raingo Frères. Called an orrery or more correctly a tellurium, it is a demonstration device to show the motions of the Earth and Moon around the Sun. It consists of a wooden drum base containing a music box surmounted by a four-legged stand supporting the orrery and a timepiece. This spring driven pendulum clock drives the planetary model at the same rate as the heavens. A glass dome that is now missing, originally covered the whole mechanism. Such apparatus became popular during seventeenth century especially after Sir Isaac Newton published his universal theory of gravity.
Currently on display in:
Making the Modern World
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