A philosopher giving a lecture on the Orrery, after Joseph Wright of Derby, 1768

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Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
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Keywords: 18th, astronomy, candle, century, children, derby, earth, education, joseph, lecture, lesson, light, mezzotint, orrery, penumbra, philosopher, philosophy, science, scientist, solar, sphere, system, teaching, wright