W. Martin Winn
W. Martin Winn Ltd. of Station Works, Darlaston, Staffs.
1960 Advert. Bolts, nuts, studs, sets etc. Based on an 18-acre site. 
1965 Acquired by F. H. Tomkins
1972 Marwin received support for a project on a machining centre from government programme for the machine tool industry 
Sources of Information
- Mechanical World Year Book 1960. Published by Emmott and Co of Manchester. Advert p150
- The Times, Mar 15, 1972