| 1. | Posidonius constructed an orrery, possibly similar to the Antikythera mechanism.
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| 2. | Fulton took the orrery on a tour of the United Kingdom.
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| 3. | The Earl of Cork and Orrery was educated at Harrow School.
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| 4. | The device was named the orrery in the Earl's honour.
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| 5. | King William I bought the orrery for the Dutch state.
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| 6. | He fixed the orrery by drilling a hole and fastening a rivet.
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| 7. | Ferrers was keen on astronomy and owned his own orrery.
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| 8. | This is a description of a planetarium or orrery.
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| 9. | The Sun in a brass orrery provides the only light in the room.
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| 10. | The orrery still exists and is the oldest functioning planetarium in the world.
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