...Consequently we oftencongratulate ourselves more on getting rid of a problem thanon solving it... 
W. E. B. Du Bois 「The Suppression of the African Slave Trade to the United States of America」
... — There are birds which have succeeded in solving a remarkable difficulty...
Frédéric Houssay 「The Industries of Animals」
...These monuments may prove to be of importance in solving theproblem of the authorship of the celebrated Pistoian frieze...
Various 「The American Journal of Archaeology, 1893-1」
...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」
...It is this latter question which thetransit of Venus offers us a method of solving...
Robert Stawell Ball 「The Story of the Heavens」
...There are, however,several ways of solving the problem, though they are all difficult andlaborious...
Robert Stawell Ball 「The Story of the Heavens」
...Mathematical calculations, based onthe laws of Kepler, will enable this problem to be solved, and Gausssucceeded in solving it...
Robert Stawell Ball 「The Story of the Heavens」
...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 problem is one of the greatest delicacy, but a formerofficer of the Case School, one of the most eminent of livingphysicists, devised a method of solving it...
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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