Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.
Designer, manufacturer of chemical plant, of Manchester
1937 Laboratory Film Dryer 
1965 The L A Mitchell group of companies won a contract for design, manufacture and installation of a formaldehyde plant for use in Finland
1970 The 3 companies were renamed: