Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,971 pages of information and 229,026 images on early companies, their products and the people who designed and built them.

Duro-Ray

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of 40/43 Norfolk Street, Strand, London, WC2. Telephone: Temple Bar 3831. Cables Address: "Conglomera, 'Phone, London"

  • 1937 British Industries Fair Advert for Permanent Silvering Reflectors. Silvers of Glass Mirrors and Reflectors by Duro-Ray Patent Process. Light reflecting value at 100 per cent. that of pure silver. Guaranteed indefinitely, under any atmospheric conditions, at home or abroad. (Electricity: Industrial and Domestic Section - Stand No. Cb.613) [2]


See Also

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Sources of Information

  1. The Times, 26 June 1951
  2. 1937 British Industries Fair Advert p570; and p356