Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,723 pages of information and 247,131 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.
1944 Company incorporated
By 1970 was a subsidiary of G. N. Haden and Sons
1974 Name changed to Drysys King Conveyors Ltd of Letchworth, Herts.
1981 Name changed to Haden King Ltd
1990 renamed Haden Technology Ltd
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