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 147,937 pages of information and 233,602 images on early companies, their products and the people who designed and built them.

Creffield Blackstock

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Precision engineers, maker of truck and tractor components

1960 Spark Holdings acquired T. R. Creffield and Son[1]

1962 Spark Holdings acquired Blackstock Engineering Co of Enfield, doubling the precision engineering interests[2]

1965 Spark moved its factory from Enfield[3]

By 1973 the 2 companies were associated as Creffield/Blackstock, precision engineers, part of Heenan Spark[4]

1975 Acquired by Weyburn Engineering Co[5]

See Also


Sources of Information

  1. The Times, Feb 19, 1960
  2. The Times, Jan 29, 1962
  3. The Times, Oct 25, 1965
  4. The Times, Sep 12, 1973
  5. The Times, Jan 15, 1976