OF PAPER In order to protect workers from accident and eye-strain, industrial lighting codes have been adopted in four states and in Federal establishments. Similar action is under consideration in several other states and there is prospect of extension through out the country. Investigation and experience indicate the need of government regulation of factory lighting. When adopted by industrial commissions under authority granted by Legislatures, the codes become in effect state law.

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... in the codes as adopted are less than might appear, some features being experimental. The existing codes correspond in essentials to the Illuminating Engineering Society code, on which they are based. Mandatory regulations are necessarily limited in function to the assuring of safety. Higher standards are essential for effi cient production. Popular education in which electrical and illuminating engineers can cooperate, is an important feature of future development. 1919] STICKNEY: INDUSTRIAL LIGHTING CODES 613 managers, who have installed improved illumination, are unanimous in the conviction that better lighting increases production and decreases spoilage.