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 Imperial Austrian Army of the Napoleonic Wars Musée de l'Armée. Two surviving 1800 Erzherzog Karl Legion flags appear to be the flags of the senior Bohemian and Moravian battalions. The first (on the left in the reference) displays the arms of Bohemia on the obverse and the Doppeladler (which is partly visible) on the reverse against a white background with red flames at the edges. This was the flag of the 1800 Leib Battalion (Prague Students). The right-side flag displays the arms of Moravia and is now in the "Heeresgeschichtliches Museum" (Museum of Military History, Vienna) collection, but unfortunately in poor condition now. The catalogue to the