...in Relation to Effective Vision and Efficient Work. First American edition, 1924. Hardcover cloth 8vo, 296pp + [4p] ads. With 70 illustrations, including many photographic plates and a 2-page chart with mounted color chips demonstrating "Reflection Factors of Colored Surfaces." Near Fine with minor rubbing to extremities and offsetting to the front endpapers from a loosely inserted newspaper clipping. Considers how artificial light affects industrial working conditions, particularly working with materials of varying textures, tones and opacities.