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Definisi 'heliograph'
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English to English noun
| 1 |
an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on |  | source: wordnet30
| 2 |
A picture taken by heliography; a photograph. | | source: webster1913 verb
| 3 |
signal by means of a mirror and the using the sun's rays | | source: wordnet30
| 4 |
To telegraph, or signal, with a heliograph. | | source: webster1913
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