An Original Partial Letter Handwritten and Signed by Rocket Inventor Sir William Congreve. Undated. A partial letter to his aunt discussing money and health. Sir William Congreve, 2nd Baronet 1772-1828 was a British Army officer, Tory politician, publisher and inventor. A pioneer in the field of rocket artillery, he was renowned for his development and use of Congreve rockets during the Napoleonic Wars. Size is 230mm x 184mm. Condition is good. Light folding creasing. Light marking.