heliograph - Meaning in Hindi
heliograph - Meaning in Hindi
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Definitions and Meaning of heliograph in English
heliograph noun
- an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
heliograph verb
- signal by means of a mirror and the using the sun's rays
Description
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Heliograph-2.jpg/320px-Heliograph-2.jpg)
A heliograph is a solar telegraph system that signals by flashes of sunlight reflected by a mirror. The flashes are produced by momentarily pivoting the mirror, or by interrupting the beam with a shutter. The heliograph was a simple but effective instrument for instantaneous optical communication over long distances during the late 19th and early 20th centuries. Its main uses were military, survey and forest protection work. Heliographs were standard issue in the British and Australian armies until the 1960s, and were used by the Pakistani army as late as 1975.
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What is heliograph meaning in Hindi?
The word or phrase heliograph refers to an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on, or signal by means of a mirror and the using the sun's rays. See heliograph meaning in Hindi, heliograph definition, translation and meaning of heliograph in Hindi. Learn and practice the pronunciation of heliograph. Find the answer of what is the meaning of heliograph in Hindi. देखें heliograph का हिन्दी मतलब, heliograph का मीनिंग, heliograph का हिन्दी अर्थ, heliograph का हिन्दी अनुवाद।
Tags for the entry "heliograph"
What is heliograph meaning in Hindi, heliograph translation in Hindi, heliograph definition, pronunciations and examples of heliograph in Hindi. heliograph का हिन्दी मीनिंग, heliograph का हिन्दी अर्थ, heliograph का हिन्दी अनुवाद
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