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
History of the flags of Romania using special methods, placing dark protective covers over the flags to shield the fabric from light, replacing seriously deteriorated exemplars with copies, photographing flags in order to avoid repeated manipulation, and climate-controlling storage areas and exhibit halls. Certain flags are also subject to restoration work. During the Romanian War of Independence, Romanian troops were inspired to bravery by their flag's presence. During an attack on 30 August 1877, Captain Nicolae Valter Mărăcineanu fell in action while inserting the 8th line Regiment's flag into the parapet of the Griviţa redoubt. Troops from the 3rd cavalry Regiment were among the first to