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 colors red, yellow and blue, arranged vertically with blue near the lance. In the middle is placed the coat of arms of the Romanian People’s Republic". Neither the colors’ shades nor the flag's proportions were specified. According to provisions of the 1952 Constitution, a five-pointed red star appeared at the upper edge of the coat of arms (itself altered in March 1948), something that was also reflected on flags and official Romanian standards. The Constitution of the Socialist Republic of Romania, adopted in 1965, provided the following in article 118: "The flag of the Socialist Republic of Romania has the