Sentence Examples

  • Draper of New York in 1840; but it was not possible to do much in this direction until the more sensitive process of photographing on glass was introduced instead of the daguerreotype.
  • Westlake was once again off photographing; the Dawkins, in independent pairs, Jeeping somewhere in the mountains, probably spying on one another.
  • In 1860 De la Rue took the photoheliograph to Spain for the purpose of photographing the total solar eclipse which occurred on the 18th of July of that year.
  • SPECTROHELIOGRAPH, an instrument for photographing the sun with monochromatic light.
  • The spectroheliograph, originally designed for photographing the solar prominences, disclosed in its first application at the Kenwood Observatory (Chicago, 1892) a new and unexplored region of the sun's atmosphere.