English Comparison of optical telescope mirror sizes. determination method or standard: SHA-1 described at URL: https://noirlab.edu/public/images/Fig-21 URL:...
English Comparison of optical telescope mirror sizes. determination method: SHA-1 described at URL: https://noirlab.edu/public/images/Fig-21 URL: https://noirlab...
entertainment of young people ( ) Author Joyce, Jeremiah, 1763-1816 Title Scientific dialogues; intended for the instruction & entertainment of young people...
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