Light, photometry and illumination : a thoroughly rev. ed. of ''Electrical illuminating engineering'' (1912)
Barrows, William Edward, 1878-1960 · New York ; London : McGraw-Hill Book Co. · leaf 38
000° absolute. It will be seen that nearly all of theartificial illuminants lie near this curve. The reason for theposition of the carbon arc may be attributed to the blue or violetin the arc itself. Those illuminants differing from black bodiesare obviously located farthest from this line. The… … Fig. 11.—Color triangle and location of light sources. of a solid body, lies a considerable distance from this curve; thelight from the carbon dioxide tube agrees closely with that froma black body at 6000° absolute. The question of color is of importance in interior lighting andespecially so where…
Light · Photometry · Electric lighting
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.