of Broadheath, Altrincham, near Manchester.
of Lime Bank Street, Ardwick, Manchester. (1892)
See Robert Luke
1877 Private company - presumably as Slacks Emery Wheel and Machine Co
1885 Name changed.
1905 Advert for single tool grinder. Makers of emery wheel tools. 
1920 'Paddle' Tool Grinder. 
1937 Abrasive wheels and machine manufacturers. 
1961 Manufacturers of grinding wheels, abrasive tools, normal and high speed grinding machines. 250 employees.