Meaning and Translation of Heliograph in Urdu Script and Roman Urdu with Wikipedia Reference, Image,
heliograph | Noun | شمس نگار | |
heliograph | Noun | شمسي پيغام رساں | |
heliograph | Noun | فوٹو ہيليو گراف | |
heliograph | Noun | شمسي نقش |
A heliograph (Greek: Ἥλιος helios, meaning "sun", and γραφειν graphein, meaning "write") is a wireless solar telegraph that signals by flashes of sunlight (generally using Morse code) reflected by a mirror. |
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