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 167,390 pages of information and 246,831 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.

Scama

From Graces Guide
1967.
1971. Panalarm.

of Bury St Edmunds, Suffolk.

1974 Developed an alarm communication system using crt display instead of the usual illuminated legend which compresses the information onto a 9in screen.[1]

See Also

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Sources of Information