Defenition of the word heliograph
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Defenition of the word heliograph
- an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
- signal with a heliograph
- an apparatus for sending telegraphic messages by using a mirror to turn the sun''s rays off and on
- signal by means of a mirror and the using the sun''s rays
- signal by means of a mirror and the using the sun's rays
Hypernyms for the word heliograph
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- apparatus
- setup
- sign
- signal
- signalise
- signalize
See other words