Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 140,635 pages of information and 227,383 images on early companies, their products and the people who designed and built them.
Early 1930s Maurice Edward Denny collaborated with William Wallace of Brown Brothers and Co to produce the Denny-Brown] stabilizer. The first was fitted in a cross-Channel ship in 1936; a large number were used in H.M. Ships during the 1939-45 war to give greater stability for gunnery; afterwards it was used in many ships.