John Wilkes, Mapplebeck and Co
of Patent brass tube works, Abberley Street, Birmingham.
1891 The company of John Wilkes, Sons and Mapplebeck was registered on 14 December, to acquire the business of metal rollers, copper smelters, refiners of John Wilkes and Sons and John Wilkes, Mapplebeck and Co of Birmingham. 
Sources of Information
- The Stock Exchange Year Book 1908