Tests Made to Ascertain Where Conditions Were Most Suitable for the 72-Inch Reflector (Classic Reprint) PDF Download
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Author: W. E. Harper
Publisher: Forgotten Books
ISBN: 9781528320177
Category : Science
Languages : en
Pages : 60
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Book Description
Excerpt from Tests Made to Ascertain Where Conditions Were Most Suitable for the 72-Inch Reflector The following remarks describe the conditions on the nights upon which Work was done. June 20. Until midnight on clear spaces. (lended then. Considerable unsteadiness. Magnitude 10-1 about the limit. 0m stars have 1-3 disc. Rate, what seeing there was. 2-5. 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.
Author: W. E. Harper
Publisher: Forgotten Books
ISBN: 9780265879825
Category : Science
Languages : en
Pages : 58
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Book Description
Excerpt from Tests Made to Ascertain Where Conditions Were Most Suitable for the 72-Inch Reflector The following remarks describe the conditions on the nights upon which Work was done. June 20. Until midnight on clear spaces. (lended then. Considerable unsteadiness. Magnitude 10-1 about the limit. 0m stars have 1-3 disc. Rate, what seeing there was. 2-5. 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.
Author: William Edmund Harper
Publisher:
ISBN: 9780659906229
Category : Astronomical instruments
Languages : en
Pages : 320
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Author: Dominion Observatory (Canada)
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 442
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Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 492
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Author: Dominion Observatory (Canada)
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 446
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Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 442
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Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 818
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Book Description
Author: R. Peter Broughton
Publisher: University of Toronto Press
ISBN: 1442630191
Category : History
Languages : en
Pages : 594
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Book Description
John Stanley Plaskett was Canada’s pre-eminent astronomer in the first half of the twentieth century. His legacy lives on in the observatory he founded in Victoria, British Columbia, and the reputation he built for Canada as a nation making vital contributions to basic science. Plaskett’s pioneering work with the most massive stars and his definitive determination of the rotation of the Milky Way Galaxy earned him international recognition of the highest order. Northern Star explores Plaskett’s unorthodox and fascinating life from his rural roots near Woodstock, Ontario through his days as a technician at the University of Toronto to his initiation in astronomy at the Dominion Observatory in Ottawa. His greatest achievements followed after he persuaded the government of Canada, in spite of the strictures of the First World War, to finance what was then the world’s largest operational telescope. Peter Broughton’s accessible and engaging prose illuminates Plaskett’s numerous achievements and the social, political, economic, and religious milieu surrounding them. This richly illustrated volume invites readers to understand the pull that Plaskett’s passions, personality, and motivations exerted on him during his lifetime.
Author: William Wallace Payne
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 800
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Author: Ottawa. Dominion Observatory
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Book Description
