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 143,930 pages of information and 230,149 images on early companies, their products and the people who designed and built them.

Murray Colour Controls

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of Headingley, Leeds

1920s Guy Leslie Murray devised a system for controlling the use of limit gauges by means of colours and combinations of colours.

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