The National Archives (TNA) is home to millions of historical documents, known as records, which were created and collected by UK central government departments and major courts of law.
When researching anything, be it family, local or national history, then a very useful first port of call should be your local library service.
Ever since the beginning of the war with France in 1793, the Royal Navy had been used to land troops on widely scattered and usually unhealthy coasts in the forlorn hope of making a decisive attack on the French.
Signalling systems in use during the war with France 1793-1815