W. H. A. Robertson and Co
of Bedford, makers of machinery for production of tubes, wires, sheets and rods.
1907 Private company.
1912 Exhibitor at the Non-Ferrous Metals Exhibition at the Royal Agricultural Halls.
1952 Rolling mill equipment.
1961 General mechanical and electrical engineers. 1,000 employees. 
1966 Won order for a rolling mill for extra-thin plate for Steel Company of Wales to design by Loewy Engineering.
Sources of Information
- Oxford Junior Encyclopaedia. Volume VIII. Engineering. Oxford University Press, 1955.
- The Times, 19 June 1912
- 1961 Dun and Bradstreet KBE
- The Times, 1966
- The Times, Nov 23, 1966