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of Hale End, London, E4. Telephone: Larkswood 2345. Cables: "Halexcels"
Up to 1897 British Xylonite Co made its finished goods at Homerton, having moved its celluloid production to Brantham in Suffolk in 1887.
1896 British Xylonite Co bought Jack's Farm at Hale End near Walthamstow.. This was the first large outside company to move into Walthamstow.
1897 A factory was built and opened at Hale End (its products going by the trade name of Halex) which also housed the head office of British Xylonite Co.
1921 The company had pioneered the manufacture of celluloid in Britain and began to produce lactoid, a non-inflammable substitute for it.
1938 British Xylonite Co became a holding company with three subsidiaries: B. X. Plastics making xylonite and lactoid; Halex Ltd making finished goods, and Cascelloid Ltd making toys and bottles at Leicester and Coalville.
1939 Distillers Co bought a 50% interest in British Xylonite Co. The Hale End works, under the name of Halex Ltd, became the centre of production of the group's plastics goods, such as combs and toothbrushes, with virtually a monopoly of table-tennis balls.
1947 British Industries Fair Advert for various products: Hairbrushes; Toothbrushes; Denture Brushes; Shaving Brushes; Combs; Table Tennis Balls; Condiment Sets, etc.,etc. Nursery, Bathroom and Kitchen Ware. Toilet Accessories and Stationers' Sundries. (Plastics Section - Earls Court, 1st Floor, Stand No. 831) 
In 1949 there were some 1,000 employees.
1955 The Halex factory had been modernised to allow use of new equipment to make larger BEX household goods; the firm had started selling the Bissell carpet sweeper, made under licence from Bissell Carpet Sweeper Co of USA, which would use a few plastic parts
1960 A new factory was opened.
1961 Distillers Co bought the entire British Xylonite Group
In 1969 Halex Ltd and British Xylonite Co were owned by Bakelite Xylonite