Aeneas Tacticus
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Aeneas Tacticus was one of the earliest Greek writers on the art of war and is credited as the first author to provide a complete guide to securing military communications. Polybius described his desi
Part-title page of the first printed edition of Aeneas Tacticus, by Isaac Casaubon, an appendix to his edition of Polybius (Cologne, 1609)
A reconstruction of the hydraulic telegraph of Aeneas Tacticus in Kotsanas Museum of Ancient Greek Technology, Athens, Greece.
Hydraulic telegraph
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A hydraulic telegraph refers to two different semaphore systems involving the use of water-based mechanisms as a telegraph. The earliest one was developed in 4th-century BC Greece, while the other was
An ancient hydraulic telegraph being used by Aeneas to send a message.
Reconstruction, Thessaloniki Science Center and Technology Museum
Reconstructed model, messages attached to rod, Thessaloniki Science Center and Technology Museum