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 148,131 pages of information and 233,678 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/30s 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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