Telecommunication of the ancient Greeks

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Telecommunication of the ancient Greeks

Introduction





Telecommunication of the ancient Greeks

Fire signals and beacons





Telecommunication of the ancient Greeks

The ''hydraulic telegraph'' of Aeneas





Telecommunication of the ancient Greeks

"Acoustic telegraph"





Telecommunication of the ancient Greeks

Cryptic relay (Laconian)





Telecommunication of the ancient Greeks

Aeneas' cryptographic disc





Telecommunication of the ancient Greeks

Twofold waxed plates