Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 136,379 pages of information and 219,138 images on early companies, their products and the people who designed and built them.
1990 Invested in the largest division, Building Products, to offer concrete pipes and manholes
By 1994 was based in Sheffield
1997 Continued decline in earnings; sold the refactories business
2000 Acquired by Vaillant of Germany