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The Planetarium and Astronomical Calculator is a book written by Tobias Ostrander in 1832. The book is a comprehensive guide to the use of a planetarium, which is a mechanical device used to simulate the motions of the planets and stars in the sky. The book includes detailed... Read Full Overview

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for... Read Full Overview