Phryctoria
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Phryctoria was a semaphore system used in Ancient Greece. The phryctoriae were towers built on selected mountaintops so that one tower would be visible to the next tower. The towers were used for the
A small reconstruction of fire signals and beacons in Kotsanas Museum of Ancient Greek Technology, Athens, Greece.
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.