Telegraphy the sense of a system that can transmit arbitrary messages over arbitrary distances. Lines of signalling relay stations can send messages to any required distance, but all these systems are limited to one extent or another in the range of messages that they can send. A system like flag semaphore, with an alphabetic code, can certainly send any given message, but the system is designed for short-range communication between two persons. An engine order telegraph, used to send instructions from the bridge of a ship to the engine room, fails to meet both criteria; it has a limited distance and
Alphabetic Tower Alphabetic Tower The Alphabetic Tower () is a 130-meter-high structure in Batumi, Georgia. The tower symbolizes the uniqueness of the Georgian alphabet and people. The structure combines the design of DNA, in its familiar double helix pattern. Two helix bands rise up the tower holding 33 letters of the Georgian alphabet, each 4 meters tall and made of aluminum. In the middle of the building is an exposed elevator shaft leading to the very top of the building, in the crown of the structure, where a colossal silver ball is located. The Alphabetic Tower was built by Spanish company CMD