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
Flags of the Dutch royal family Flags of the Dutch royal family The flags of the Dutch royal family are a set of flags used to identify a member of the royal family. The current system of flags for the Dutch monarch, princes, and princesses was introduced in 1908. The current system of personal flags for the monarch and other members of the royal family was introduced in 1908. In 1907, minor modifications were introduced to the Dutch coat of arms; likewise, a new flag for the Dutch monarch was introduced the following year. These flags are designed by the High Council of Nobility (who are