S. Appleyard and Co
of Grantham Road Iron Works, Boothtown, Northowram, Halifax
Manufacturers and suppliers in Great Britain.
1937 Machine tool manufacturers
An archive listing covering the dates c1898-c1953 indicates that the company made drilling machines and metal punching, shearing and bending machines 
Sources of Information
- 1937 The Aeroplane Directory of the Aviation and Allied Industries
-  National Archives webpage