Sentence Examples


  • His wife was an heiress; and on the death of his childless uncle, Hartmann VI.
  • Hartmann of Potsdam, and is described by him in the Publicationen des astrophysikalischen Observatoriums zu Potsdam, Bd.
  • Complex spectra of stars of the solar type this is by no means the case; for, as Dr Hartmann remarks, " in the first place the lines in these spectra are so numerous that their complete measurement and reduction would require many days, and in the second place a rigorous reduction of such material has hitherto not been at all possible because the wave-lengths of the lines are not known with sufficient accuracy.
  • Hartmann overcame these and many other difficulties by directly superposing the image of the spectrogram of a star, having iron comparison lines, upon the image of a spectrogram of the sun taken also with iron comparison lines.
  • IMMANUEL HERMANN FICHTE (originally [[Hartmann) Von]] (1797-1879), German philosopher, son of J.

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