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 167,391 pages of information and 247,010 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.

Radiovisor Parent

From Graces Guide
October 1952.
1969.

of 28 Little Russell Street, London, WC1. Telephone: Holborn 2986/7. Telegraphic Address: "Radivisor, Westcent, London"

1928 Company established

1929 Patent - Improved pyrometer.

1937 British Industries Fair Advert for Light-Actuated Apparatus. Radiovisor Lighting Control Unit. Radiovisor smoke Inducator and Alarm. Radiovisor Counting Unit. Radiovisor Temperature Control Unit. Radiovisor Fuel, Oil Burner Control, Raycraft Apparatus. (Electricity: Industrial and Domestic Section - Stand No. Cb.419)

1965 Patent - Improvements in and relating to apparatus responsive to and for the production of an electrical signal indicative of the magnitude of a measured variable.

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