Heliostat sentence example

heliostat
  • Foucault's heliostat reflects the rays horizontally in any required direction.
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  • In the absence of a heliostat it is more convenient to obtain a point of light with the aid of a lens of short focus.
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  • Silbermann's heliostat reflects the rays in any direction.
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  • - Silbermann's Heliostat.
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  • 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.
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  • In the absence of a heliostat the latter was the more convenient.
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  • HELIOSTAT (from Gr.
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