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 144,288 pages of information and 230,176 images on early companies, their products and the people who designed and built them.

Mirrlees Blackstone

From Graces Guide

Jump to: navigation, search

of Stockport.


1969 On 1st June, Blackstone and Co and Mirrlees National, another Hawker Siddeley diesel company, were merged and the company traded under the name of Mirrlees Blackstone.

1974 Mr. A. B. H. Davies was appointed as director.[1]

1974 Transport cost savings were made by the introduction of an automatic conveying and storage plant for reclaimed sand.[2]

1979 The first production engines of the MB275 type were built with a 275 mm bore. It was also in this year that the K Major was uprated to a 400 mm bore engine with a nominal output of 750 BHP per cylinder.

See Also


Sources of Information

  1. The Engineer 1974/05/30
  2. The Engineer 1974/07/18