Sentence Examples

  • HELIOSTAT (from Gr.
  • Foucault's heliostat reflects the rays horizontally in any required direction.
  • Silbermann's heliostat reflects the rays in any direction.
  • One of the most important applications of the heliostat is as an adjunct to the newer forms of ' horizontal telescopes (q.v.) and in conjunction with spectroscopic telescopes in observations of eclipses.
  • In the absence of a heliostat the latter was the more convenient.

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