William Frederick Archdall Ellison
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1 | 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 byAdd to Reading ListSource URL: star.arm.ac.ukLanguage: English - Date: 2014-12-09 04:49:20 |
2 | 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 byAdd to Reading ListSource URL: star.arm.ac.ukLanguage: English - Date: 2012-04-16 04:57:00 |