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Hydraulic Telegraph: World’s First Telecommunications Device Was Invented in Ancient Greece
https://greekreporter.com/2025/10/12/ancient-greeks-first-telecommunications-device/
The technology of the hydraulic telegraph seems rather simple, but its invention was marveled by ancient Greeks as a significant advancement in communication technology, as it allowed for pre-determined messages to be sent across long distances.
Posted : 12/10/2025 8:28 pm