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 162,257 pages of information and 244,498 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.

Dakol Electric

From Graces Guide

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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