Lexell sentence example

lexell
  • Faye in November 1843, the other by Francesco de Vico a year later, were minutely investigated by Leverrier, with the result of disproving the supposed identity of the first with Lexell's lost comet of 1770, and of the other with Tycho's of 1585.
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  • Lexell, and pursued his researches until he had constructed the new tables, which appeared in his Theoria motuum lunae (1772).
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  • With the assistance of his sons, and of Krafft and Lexell, however, he continued his labours, neither the loss of his sight nor the infirmities of an advanced age being sufficient to check his activity.
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