Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,258 pages of information and 244,499 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Murray Colour Controls

From Graces Guide

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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