An engine order telegraph or E.O.T., often also called a chadburn. The E.O.T. is 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. Dial Indications: Full Ahead Half Ahead Slow Ahead Dead Slow Ahead Stop Dead Slow Astern Slow Astern Half Astern Full Astern Stand By Finish with Engine The Engine Order Telegraph Replica Keychain is made of 100% real brass that comes on brass chain wit