Universal Grinding Wheel Co
previously Rooper and Harris
1920 September. Exhibited at the Machine Tool and Engineering Exhibition at Olympia with abrasive wheels.
1935 Issue of preference shares; formerly an American monopoly; chairman John Field Beale of GKN
1937 Abrasive wheel manufacturers. "Bauxilite" Abrasive Wheels. "Unirundum" Abrasive Wheels.
Sources of Information
- The Times, Jan 31, 1928
- The Times, Mar 07, 1935
- The Engineer of 10th September 1920 p244
- 1937 The Aeroplane Directory of the Aviation and Allied Industries