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bn:00043584n
Noun Concept
Categories: Telegraphy, Optical communications, History of telecommunications
EN
heliograph  heliography  Solar signal
EN
An apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on WordNet 3.0
English:
messaging
Definitions
Relations
Sources
EN
An apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on WordNet 3.0 & Open English WordNet
A heliograph is a solar telegraph system that signals by flashes of sunlight reflected by a mirror. Wikipedia
A device used for optical signalling Wikipedia Disambiguation
communication device reflecting sunlight Wikidata
An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight. Wiktionary
IS A
apparatus
optical instrument
DERIVATION
heliograph
DESCRIBED BY SOURCE
Brockhaus and Efron Encyclopedic Dictionary
The Nuttall Encyclopædia
Sytin Military Encyclopedia
WordNet 3.0 & Open English WordNet
EN
heliograph
Wikipedia
EN
heliograph
Wikidata
EN
heliograph
Wiktionary
EN
heliograph
Wikipedia Redirections
EN
Heliograph (messaging), Solar signal
Wikidata Alias
EN
heliography

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