Slag and Tar Macadam Co
of Tubwell Row, Darlington. Works: South Bank, R.S.O., and Warrenby Ironworks, Redcar, Yorks.
Slag Breakers and Tarred Slag Manufacturers
Incorporated as a Limited Company.
1914 Directors: Joseph Denham (Chairman), H. S. Sutherland and Thomas Hall. Manager and Secretary: John Robinson. Business: Slag Breakers and Tarred Slag Manufacturers.