An Epitome of Astronomy,: With the New Discoveries: Including an Account of the Eidouranion, Or Transparent Orrery; (Invented by A. Walker) As L

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Originally published in 1793, this concise overview of astronomy by William Walker includes descriptions of the celestial bodies and constellations visible to the naked eye, as well as recent discoveries in the field. The book also includes a fascinating account of the Eidouranion, a transparent orrery invented by a Walker and his son, which was used to demonstrate the movements of the planets. A great introduction to the wonders of the night sky.