... This letter and the state of things which it disclosed made my Lord Sunderland despair of solving this vexatious problem by ordinary means... 
Rafael Sabatini 「Captain Blood」
...I set at solving the problem before I knew it...
W. E. B. Du Bois 「Darkwater」
...Sal proves his wisdom beforeMinućehr by solving six astronomical riddles whichKing Minućehr proposes to him...
Angelo de Gubernatis 「Zoological Mythology, Volume I (of 2)」
... — There are birds which have succeeded in solving a remarkable difficulty...
Frédéric Houssay 「The Industries of Animals」
...Then if these orbits be not circles, what are they? Such was the greatproblem which Kepler proposed to solve, and which, to his immortalglory, he succeeded in solving and in proving to demonstration...
Robert Stawell Ball 「The Story of the Heavens」
...We shall find by solving this equationthat a, the mean distance of the sun from the earth, isvery approximately 93,000,000 miles...
George C. Comstock 「A Text-Book of Astronomy」
...These institutions, if properly managed, have after years of carefulstudy and trial developed elaborate systems of solving the greatproblems of the celestial universe...
Edward C. Pickering 「The Future of Astronomy」
...The men who entered first upon the task of solving the geographicalproblems of the interior of the Australian continent were doomed to meetwith much bitter disappointment...
Ernest Favenc 「The Explorers of Australia and their Life-work」
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