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 College, Osborne Rosslyn E. Wemyss was appointed Captain of HMS "Racer" and Commandant of the Royal Naval College, Osborne, under the New Scheme, on 25 November 1902, and with effect from 12 March 1903 Commander William G. E. Ruck-Keene was appointed as Executive Officer of HMS "Racer". Before admission as naval cadets at about the age of thirteen, boys had to pass an entrance examination, in which they were tested in English, history and geography (with special reference to the British Empire), arithmetic, algebra, geometry (practical and theoretical); French or German, with written and oral examinations; and Latin, with set translations and