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Difference between revisions of "Orrery"
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Created page with "Orrery <ref name="term_77476" /> <p> A mechanical toy which exhibits, by an arrangement of rods, balls, and toothed wheels, the sun, the planets, and their moons, all perform..."
(Created page with "Orrery <ref name="term_77476" /> <p> A mechanical toy which exhibits, by an arrangement of rods, balls, and toothed wheels, the sun, the planets, and their moons, all perform...") |
(No difference)
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