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| Alphabetical [« »] innermost 1 inquiring 2 insignificance 1 instrument 2 instruments 2 intellectual 1 interest 1 | Frequency [« »] 2 includes 2 increase 2 inquiring 2 instrument 2 instruments 2 leading 2 leave | Simon Newcomb Extent of the Universe IntraText - Concordances instrument |
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1 Text, 9| the imperfections of his instrument, perhaps the effect of heat 2 Text, 9| heliometer - the most refined instrument that has ever been used