Memorandum and articles of association 1930; Managing Directors Council minutes, 1949-1967; Sales Council minutes, 1949-1967; minutes of Executive Sales Council, 1931-1949 and Sales Co-ordination Committee of Hans Renold Ltd., Coventry Chain Co. Ltd. and Brampton Brothers Ltd., 1930; minutes of Managing Directors Works Council, Newton Mill, Hyde, Cheshire, 1941-1944; minutes of Works Council, Coventry Chain Works, 1932-1936; Drawing Office minutes, 1928-1940.