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
Douglas Evill Douglas Evill Air Chief Marshal Sir Douglas Claude Strathern Evill, (8 October 1892 – 22 March 1971) was an Australian-born Royal Naval Air Service pilot and squadron commander during the First World War. Serving in the Royal Air Force between the wars, he was a senior air commander during the Second World War. Douglas Evill was born on 8 October 1892 in Broken Hill, New South Wales, Australia. After receiving a private education in England, Evill studied as a cadet at the Royal Naval College, Osborne, on the Isle of Wight, before attending the Britannia Royal Naval College in Devon.