Selson Machine Tool Co
Selson Machine Tool Co Ltd. of Abbey House, Victoria Street, London, SW1.
Presumably successor to Selson Engineering Co
1937 Suppliers of all classes of machine tools, including flanging machines for aeroplanes. 
1939 See Aircraft Industry Suppliers
Sources of Information
- 1937 The Aeroplane Directory of the Aviation and Allied Industries
- The Times, May 08, 1952