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 133,410 pages of information and 211,627 images on early companies, their products and the people who designed and built them.

Dakol Electric

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of 39 Victoria Street, Westminster, London, SW1. Telephone: Franklin 6412. Cables: "Dakolvic Sowest, London"

  • 1929 Listed Exhibitor. Manufacturers of the Dakol Screen which cuts out all harmful rays from ordinary electric light, converting it to the quality of daylight. Prevents eyestrain and maintains daylight efficiency. (Stand No. N.39) [1]


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