Chatley Heath Semaphore Tower
Chatley Heath Semaphore Tower, built in 1821. It is one of a series of semaphore stations that provided a visual link between the Admiralty in Whitehall and the Royal Naval Dockyard in Portsmouth for important communication of Naval orders and Naval reports.
The Senaphore communication system is was adopted in many countries as a form of communication replacing the horse rider message courier. It was later replaced by the telephone and radio station communication systems.