Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.
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