Etymology:
Meaning:
A heliograph is a device that uses sunlight to send messages over long distances by Morse code.
Origin:
The heliograph was invented by British Admiral Sir Frederick William Beechey in 1822. He used it to communicate with ships at sea during a surveying expedition to North Africa.
The heliograph was widely used by military forces in the 19th and early 20th centuries, as it could transmit messages quickly and reliably over distances of up to 20 miles (32 kilometers). It was particularly useful in situations where radio communications were not available.
The invention of the heliograph was a significant advance in signal communications, as it allowed for faster and more efficient transmission of messages over long distances.
Etymology Greek ἥλιος hēlios meaning sun Meaning Helio is a Greek name
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