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
Britannia Royal Naval College 1863, when the wooden hulk was moved from Portland and moored in the River Dart to serve as a base. In 1864, after an influx of new recruits, "Britannia" was supplemented by . Prior to this, a Royal Naval Academy (later Royal Naval College) had operated for more than a century from 1733 to 1837 at Portsmouth, a major naval installation. The original "Britannia" was replaced by the in 1869, which was renamed "Britannia." The foundation stone for a new building at the college was laid by King Edward VII in March 1902. Sir Aston Webb designed the shore-based college