heliograph

Speech parts

1. heliograph - Noun

2. heliograph - Verb

A picture taken by heliography; a photograph.

An instrument for taking photographs of the sun.

An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3.

Source: Webster's dictionary

bell telegraph lantern beacon calumet signal semaphore watchtower sign beam rocket photograph lamp alert alarm

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decrease preserve bore darkness ignorance dull

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signal sign apparatus setup signalize signalise