MONOPOLY ENDED
7A long-established American monopoly of an important raw material of the wallpaper industry has been ended by the discovery in England of a process for grinding mica. Most wallpapers have a silvery sheen, which is produced by finely-ground mica. Raw mica is predominantly an Empire product, but for more'than twenty years the British industry has been baffled in its efforts to grind the mica and retain the sheen. The powdered mica required has had to be imported from America, where the grinding process has always been a closely-guarded secret. Mr. A. A. C. Dickson, a mining engineer, some years ago submitted to the Imperial Institute a grinding process. This has successfully undergone all tests, and plant is now in operation in this country producing ground /ihica of a quality admirably suited to'the needs of the industry. An outlet has thus been found for Indian mica scrap, and the home industry is relieved of dependence on supplies from abroad of a raw material. A new line in British exports is also expected to follow the discovery.
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https://paperspast.natlib.govt.nz/newspapers/EP19371103.2.266
Bibliographic details
Evening Post, Volume CXXIV, Issue 108, 3 November 1937, Page 32
Word Count
177MONOPOLY ENDED Evening Post, Volume CXXIV, Issue 108, 3 November 1937, Page 32
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