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 162,257 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.

Allen Components

From Graces Guide
January 1949.
March 1949.
September 1949.
December 1951.
1953.
June 1955. Line Output Transformer.

of Richmond, Surrey

See Also

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Sources of Information