Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,251 pages of information and 227,823 images on early companies, their products and the people who designed and built them.

Youltens Onyx Process

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of 31 Wool Exchange, London, EC.

1909 Company established.

1914 Process for cleaning wool and cotton. [1]

1922 Exhibitors at the 1922 Textile Machinery Exhibition, as Youlton Openers.[2]


See Also

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Sources of Information

  1. 1914 Whitakers Red Book
  2. The Engineer 1922/10/06