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Published: 2015-08-05

Total Pages: 366

ISBN-13: 9781332305995

Excerpt from Proceedings of the American Academy of Arts and Sciences, Vol. 2: From May, 1848, to May, 1852, Selected From the Records When last seen, its distance from the earth was three hundred millions of miles, and from the sun three hundred and fifty millions; yet it was still bright enough to admit of pretty good determinations. "A scintillation or twinkling of its central light was frequently remarked, an indication, perhaps, of a solid nucleus." Professor Agassiz related some observations he had made upon the form of the extremities in the embryonic state of birds. Dr. C. T. Jackson stated that he had obtained a considerable quantity of foliated tellurium from specimens of gold ore found near Frederick, Virginia. Mr. Cole read a letter from Mr. Spencer of Canistota, New York, detailing the history of his attempts at constructing achromatic microscopes, and of the improvements he had effected: - referred to the Rumford Committee. Miss Maria Mitchell of Nantucket, the discoverer of the comet which bears her name (Vide Proceedings, Vol. I. p. 183), was chosen an Honorary Member of the Academy. Dr. Joseph Leidy of Philadelphia was elected a Corresponding Member. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.