共 This is a historical work on the study of optics and mechanics, written by Christoph C. Hoeschel. It provides an in-depth analysis of the katoptric circle and its uses in measuring angles and determining astronomical positions. This book is recommended for scholars of the history of science.
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.
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