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This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant mark

This authoritative guide to double stars, compiled by three distinguished astronomers, offers a comprehensive survey of this important field of study. Featuring

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 was reproduced

Excerpt from A Handbook of Double Stars: With a Catalogue of Twelve Hundred Double Stars and Extensive Lists of Measures; With Additional Notes Bringing the Mea