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 138,931 pages of information and 225,312 images on early companies, their products and the people who designed and built them.

TI Matrix

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1969 Tube Investments acquired Coventry Gauge and Tool Co, makers of "Matrix" tools, to join its other machine tool companies[1]

1978 A much modified TI Matrix grinder achieved a ten-times increase in productivity[2]

1980 Sales of TI's numerically controlled machine tools, TI Matrix and TI Churchill hit a record[3]

1996 TI Matrix Engineering was one of 3 small subsidiary companies sold to Hay Hall Group[4]


See Also

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Sources of Information

  1. The Times, May 13, 1969
  2. The Times (London, England), Thursday, Apr 13, 1978
  3. The Times May 13, 1980
  4. The Times February 01, 1996