John Louis Emil Dreyer

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1by mechanical flexure of the telescope and mounting, as well as those caused by changes in temperature. The third director, Romney Robinson later said that useful measurements could nevertheless be obtained by

by mechanical flexure of the telescope and mounting, as well as those caused by changes in temperature. The third director, Romney Robinson later said that useful measurements could nevertheless be obtained by

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Source URL: star.arm.ac.uk

Language: English - Date: 2014-12-09 04:49:20
2adjust the instrument for proper use. By 1797, Dr Hamilton was worried about the instrument’s accuracy because of the errors introduced by mechanical flexure of the telescope and mounting, as well as those caused by

adjust the instrument for proper use. By 1797, Dr Hamilton was worried about the instrument’s accuracy because of the errors introduced by mechanical flexure of the telescope and mounting, as well as those caused by

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Source URL: star.arm.ac.uk

Language: English - Date: 2012-04-16 04:57:00
3Foreword When John Louis Emil Dreyer published the New General Catalogue of Nebulae and Clusters of Stars in 1888, he tried to bring some sense and order to the lists of William and John Herschel. Dreyer’s seminal wor

Foreword When John Louis Emil Dreyer published the New General Catalogue of Nebulae and Clusters of Stars in 1888, he tried to bring some sense and order to the lists of William and John Herschel. Dreyer’s seminal wor

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Source URL: www.willbell.com

Language: English - Date: 2003-05-07 08:53:51
4

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Source URL: ia600504.us.archive.org

Language: English - Date: 2007-03-15 15:44:59