IN a special leaflet (Form 282) dated March 1939, the Factory Department of the Home Office reminds the owners of factories that the Departmental Committee appointed to deal with the subject has issued its fourth report (H.M. Stationery Office. 1s. 1d.) It recommends certain minimum standards of illumination below which work in factories should not be done regularly, and further recommends that these standards should be made legally compulsory next July. Tables of lighting practice suitable for many industrial processes can be obtained from the Illuminating Engineering Society, 32 Victoria Street, S.W.I. Another similar table is issued by the Electric Lamp Manufacturers Association, at Savoy Hill, W.C.I. The Secretary of State directs attention to a memorandum of the Air Raid Precautions Department, dealing with a general scheme of lighting restrictions to be enforced in the event of war. Occupiers of factories are recommended to obtain and study this memorandum, but naturally it deals more particularly owith tt\ss scteeTuivg, oC owin.do-ws and roof lights in. order to prevent the emission of light from buildings. It is hi no way inconsistent with the requirement of adequate and suitable lighting within the building. Information and advice on general lines are usually obtainable from the gas or electricity undertaking supplying the factory.