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  • HELIOGRAPH

HELIOGRAPH

Answer: HELIOGRAPH

The answer HELIOGRAPH has 2 possible clues. See the results below.

Possible Clues:

  • Device for sending messages, using a mirror and the sun's rays
  • Device signalling by reflected sunlight

Last seen in:

  • The Guardian - Quick crossword No 16,500 - Mar 25 2023
  • The Times - Concise - Times2 Jumbo 199 - January 13, 2007

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