Illumination items: Fundamentals of light and vision

The well-lighted plants and offices of today are proving that good illumination is. very much worth while. Industrial managers, foremen, and executives are beginning to realize that good illumination removes the handicaps which accompany poor lighting, and enables their employees to work more rapidly and more accurately. This increased production of a more accurate nature results from the fact that the´ eye is able to function with greater rapidity and comfort under the higher levels of illumination.