Economy of Devon (chewing gum) and HMNB Devonport (the largest naval base in western Europe) are in Plymouth. Torquay was home to Beverage Brands, the producers of WKD Original Vodka. Britannia Royal Naval College is at Dartmouth. Mining for tin and copper was carried on in Devon from ancient times until the 1930s: see Dartmoor tin-mining. Agriculture has been an important industry in South West England since the 19th century: approximately 80% of land in the South West of England is in agricultural use (19.6% of England's total). In the later 19th and early 20th centuries there were a number of potteries in
Royal Naval War College Royal Naval War College The Royal Naval War College was a training establishment for senior naval officers based originally at Greenwich, then Plymouth, then Portsmouth, and then Greenwich again. Branch colleges were also based at Chatham and Plymouth prior to the First World War it existed from 1900 to 1914. The college, which was established in 1900 and known as the War Course College until 1907, catered for flag officers, captains and commanders. Its courses included training in tactical naval war games, strategic naval war games, studying and writing reports on various problems and lectures on various subjects. The college's