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Thesaurus: heliograph

A picture taken by heliography; a photograph.

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  1. n. A picture taken by heliography; a photograph.
  2. n. An instrument for taking photographs of the sun.
  3. n. An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3.
  4. n. an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
  5. v. signal by means of a mirror and the using the sun's rays
  6. 1. A picture taken by heliography; a photograph. 2. An instrument for taking photographs of the sun. 3. An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3.
  7. n. an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on v. signal by means of a mirror and the using the sun's rays