Sentence Examples


  • For this purpose he employed an instrument known as the "wedge photometer" (see Photometry, Celestial, and Mem.
  • He was elected a fellow of the Royal Society in 1840, and in 1892 was awarded one of the royal medals for his work on photometry and stellar parallax.
  • In 1877 he decided to devote one of the telescopes of the observatory to stellar photometry, and after an exhaustive trial of various forms of photometers, he devised the meridian photometer (see Photometry, Stellar), which seemed to be free from most of the sources of error.
  • In 1877 he decided to devote one of the telescopes of the observatory to stellar photometry, and after an exhaustive trial of various forms of photometers, he devised the meridian photometer (see Photometry, Stellar), which seemed to be free from most of the sources of error.
  • He wrote numerous papers on photometry and spectrum analysis in Poggendorff's Annalen and Berichte der k.

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