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 162,253 pages of information and 244,496 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.

Douglas Holt

From Graces Guide
September 1937.
April 1940.
June 1941.
January 1944.
February 1947.
March 1949.
May 1949.
October 1949.
August 1950.
October 1951.
October 1955.
January 1957.
1964.

Holts (established 1919) made many products, such as Radweld and Britect.

1959 Name changed to Holt Products.

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