Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,355 pages of information and 230,031 images on early companies, their products and the people who designed and built them.
of Dumball's Road, Butetown, Cardiff
1866 The Bute Chain, Cable & Anchor Testing Works, Old Canal, Cardiff was advertising its services.
By 1880 the site (previously occupied by a Tin Works) had been renamed Bute Chain & Anchor Proving House. The 1880 O.S. map  shows the testing house on a narrow strip of land between the River Taff and the Glamorganshire Canal.
1884 Visit of Lloyd's Committee: 'The party drove off in four open carriages, and proceeded to Lloyd's Chain and Anchor Proving House, which is situated about midway between the Custom House Bridge and the Old Sea Lock on the west side of the Glamorganshire Canal. They were met by Mr. George W. Penn, the superintendlent, who showed them over the building, and and lucidly explained the various methods of testing anchors and chain cables. 
1888 The Bute Chain and Anchor Testing Company's premises were in Dumball's-road, Cardiff
By 1920 the works had taken over the site of the adjacent Loudon Foundry
1999 The original building was still standing.