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]
See Also
Sources of Information
- ↑ 1929 British Industries Fair Page 46