Telegrafie

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Replica o Claude Chappe's optical telegraph on the Litermont near Nalbach, Germany

Telegrafie (frae Greek: τῆλε têle, "at a distance" an γράφειν gráphein, "tae write") is the lang-distance transmission o textual or seembolic (as opponed tae verbal or audio) messages withoot the pheesical exchynge o an object beirin the message.

The optical telegraph (uisin semaphore signals) wis superseded bi the electric telegraph in the 1830s.