MAUDSLAY

Joseph (3 son of Henry Maudslay, engineer 1771–1831). b. London 17 Sep. 1801; joined his father’s engineering busine at Lambeth; patented an oscillating engine in which the slide valves were worked by an eccentric 1827; M.I.C.E. 1833; patented with Joshua Field 1839 a double cylinder marine engine, extensively used; in 1841–2 his firm made the engines for the Rattler the first screw-steamer built for the admiralty; patented a feathering screw propeller 1848 and the direct-acting annular cylinder screw engine. d. 21 Hyde park sq. London 25 Sep. 1861. Min. of proc. of Instit. of C.E. xxi 562–9 (1862).