Autograph Letter Signed ‘Camden’, addressed ‘My Lord’, proposing that the Weald of Kent Regiment of local Militia assemble for a 14 day exercise at Tunbridge Wells. A good one page example, 9 x 7 inches. Arlington Street, 10 April 1813. John Jeffreys Pratt, 1st Marquess Camden (1759 – 1840), known as The Earl Camden from 1794 to 1812, was a British politician. He served as Lord Lieutenant of Ireland between 1795 and 1798 and as Secretary of State for War and the Colonies between 1804 and 1805.