Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,107 pages of information and 233,634 images on early companies, their products and the people who designed and built them.
of Bath Row, Birmingham 15
Maker of Bradley Bolts
1940 John Bradley and Co, Empire Screw and Rivet Works, Bath Row, 15.. T. A. "Brybolt, Birmingham"
1950 of Bath Row, Birmingham 15 (see advert)
Presumably a different company from the ironworks John Bradley and Co (Stourbridge).