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 147,919 pages of information and 233,587 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.

Submarine Signal Co

From Graces Guide
1933. Shallow Water Fathometer.
September 1947
August 1948
1951. S. G. Brown incorporating the Submarine Signal Co.
1951.
April 1952.

of Shakespeare Street, Watford, Herts.

Agents for Raytheon Manufacturing Co.

See Also

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Sources of Information