Sentence Examples


  • Peculiarities of the skeleton or portions of the skeleton of certain birds - one of the most remarkable of which is that on the component parts of the foot (pp. tot - toy) pointing out the aberration from the ordinary structure exhibited by the Goatsucker (Caprimulgus) and the Swift (Cypselus) - an aberration which, if rightly understood, would have conveyed a warning to those ornithological systematists who put their trust in birds' toes for characters on which to.
  • But the difficulties interposed by spherical and chromatic aberration had arrested progress in that direction until, in 1655, Huygens, working with his brother Constantijn, hit upon a new method of grinding and polishing lenses.
  • The indirect method is based upon the observed constant of aberration or the displacement of the stars due to the earth's motion.
  • Since then, two elaborate series of observations made with the zenith telescope for the purpose of determining the variation of latitude and the constant of aberration have been carried on by Professor C. L.
  • In addition to the doubt thrown on this result by the discrepancy between various determinations of the constant of aberration, it is sometimes doubted whether the latter constant necessarily expresses with entire precision the ratio of the velocity of the earth to the velocity of light.

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