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 Governors of the Australian states Flags of the Governors of the Australian states The governors of the Australian states, who represent their respective head of state (the Queen of Australia), have a personal flag in that role. With the exception of Queensland's, the current design of these flags originate from the 1970s and 1980s. The governors of British colonies have historically used as their personal flag the Union Flag defaced in the centre with a local badge or coat of arms to represent their status as vice-regal representative in that colony. In the then Australasian colonies, the governors used the colonial badge encircled in a