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Suppose a traveller carried into Scythia or Britain the orrery recently constructed by our friend Poseidonius, which at each revolution reproduces the same motions of the sun, the moon, and the five planets that take place in the heavens every day and night, would any single native doubt that this orrery was the work of a rational being? Cicero
Athanasius Kircher's reconstruction of the sphere of Archimedes, imitating the motion of the planets with the aid of magnets. From Magnes, sive de Arte Magnetica (1643 ed.) p. 305
The mechanical device of References Reviel Netz , The shaping of deduction in Greek Mathematics, A study in Cognitive History, 1999, Cambridge University Press S V Zitomirskii, The "celestial globe" of Archimedes (Russian), Istor. Astronom. Issled. 14 (1978) 271-302
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