Permutit Co

















of Permutit House, Gunnersbury Avenue, London, W4. Telephone: Chiswick 6431 (10 lines). Cables: "Permutit, Chisk, London"
of Pontyclun
1899 Company founded
1911 Water Softeners Ltd Incorporated - sole proprietors of Permutit base exchange medium.
1913 Private company United Water Softeners formed by merger of Water Softeners Ltd with Lassen and Hjort
1923 Company made public.
1937 Name changed to Permutit Co
1946 Water Softener made by Permutit Co. Shown at the Britain Can Make It exhibition. [1]
1947 British Industries Fair Advert for Ion exchange materials - "Zeo-Karb", "De-Acidite". For Recovery of Valuable Minerals, Removal of Impurities, Catalysts, Separation of Poly-Valent Ions from Non-Valent Ions - Demineralisation of Water. (Chemicals etc. Section). [2]
1954 Permutit Co., Ltd., The Gunnersbury Avenue, Chiswick, London, W.4. Manufacturers of aero drinking-water filters, and emergency sea-water de-salting kits.[3]
1961 Manufacturers of water-treatment equipment. 839 employees. [4]
See Also
Sources of Information
- ↑ [1] vads: Design Archives - University of Brighton
- ↑ 1947 British Industries Fair Advert 273; and p216
- ↑ 1954 The Aeroplane Directory of the Aviation and Allied Industries
- ↑ 1961 Dun and Bradstreet KBE
- ↑ The Times, Apr 28, 1970
