HELIOGRAPH
Scrabble letter values: H4E1L1I1O1G2R1A1P3H4 = 19
Definition
- verb signal by means of a mirror and the using the sun's rays.
- noun an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on.
Scrabble letter values: H4E1L1I1O1G2R1A1P3H4 = 19