equipment designed to serve a specific function

of or relating to or transmitted by telegraph

of or relating to or transmitted by telegraph

someone who transmits messages by telegraph

send cables, wires, or telegrams

a communications device used on a ship (or submarine) for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.

a tower with pivoting shutters, also known as blades or paddles, used for conveying information by means of visual signals, read when the shutter is in a fixed position.

any telegraph that uses visual signals to convey a message, including the use of smoke signals, beacons or reflected light, which have existed since ancient times.

an apparatus for transmitting pictures by phototelegraphy.

the first telegraph printing text on a paper tape, invented by David Edward Hughes.