Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,099 pages of information and 223,032 images on early companies, their products and the people who designed and built them.
of Hirwaun, near Aberdare, Glamorgan, South Wales. Telephone: Hirwaun 14. Telegraphic Address: "Silica, Hirwaun" (1937)
1894 Antwerp Exhibition. Silica fire-bricks and blocks. 
1937 Listed Exhibitor - British Industries Fair. Every class of Silica Brick manufactured in connection with the Steel Industry. (Stand Nos. D.913 and D.810)