Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,345 pages of information and 244,505 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
of Nat-Rol Works, Watford, Herts. Telephone: Watford 4441-2-3
1947 Listed Exhibitor - British Industries Fair. Manufacturers of "Nat-Rol" High Capacity Base Exchange Water Softening Medium for use in Water Softening Plants, Industrial and Domestic. Water Softening, Filtration and Water Treatment Plants. Watsons Scale Remover for Steam Boilers. (Olympia, Ground Floor, Stand No. A.1093) [1]
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