of Victoria Works, Archer Road, Millhouses, Sheffield.
1953 Laycock-de Normanville overdrive system (see advert)
1954 Laycock-Whitlay Routicator (see advert). See Whitlay Tool Co.
1954 Layrub transmission systems (see advert)
1955 Acquired Vacuum Brake Co
1963 Laycock clutches (see advert)
1961 Precision engineers and manufacturers of equipment for motor, aircraft and railway industries, specialising in overdrives, universal joints, propellor shafts and clutch centres; locomotive and railway coach fittings, railway brakes; garage equipment.
1973 GKN Laycock garage equipment (see advert)