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 and coats of arms of the Austrian states the Austrian States are shown. Flags and coats of arms of the Austrian states The flags of the Austrian states show two (or three) stripes in the main colours of the respective arms. These flags are the state flags and are shown with the coats of arms, although it is common for them to be shown without it. Without the coats of arms, some flags are very similar, such as those of Tyrol and Upper Austria (also nearly identical to the flag of Poland). Frequently, the flags are used in vertical variants with or without coat of arms. As well,