Discover the astronomical observations made by Maximilian Hell in Peking during the years between 1746 and 1752, and by Augustin Hallerstein from 1717 to 1752. 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...