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.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.