Review of reviews and world's work . NIGHT ILLUMINATION OF THE NEW UNION STATION AT WASHINGTON. D. C. home. An illuminant is powerless to light aroom if the color of the walls absorb most ofthe rays. The illuminating engineers claimthat a white wall will reflect 50 per cent, oflight, whereas a red wall-paper will reflectonly 15 per cent. A light buff or yellow willreflect 45 per cent.; a dark brown, 12J/2 percent.; a light apple-green wall-paper will re-flect 40 per cent.; a dark green will give only 15 per cent. Dark wood trimmings absorblight; white wood reflects it. Velvets,chintzes, burlap
Review of reviews and world's work . NIGHT ILLUMINATION OF THE NEW UNION STATION AT WASHINGTON. D. C. home. An illuminant is powerless to light aroom if the color of the walls absorb most ofthe rays. The illuminating engineers claimthat a white wall will reflect 50 per cent, oflight, whereas a red wall-paper will reflectonly 15 per cent. A light buff or yellow willreflect 45 per cent.; a dark brown, 12J/2 percent.; a light apple-green wall-paper will re-flect 40 per cent.; a dark green will give only 15 per cent. Dark wood trimmings absorblight; white wood reflects it. Velvets,chintzes, burlaps, will all absorb light; sowil\ wall-paper, whatever its color, but atinted surface wall reflects the light. Wall-paper in paterns is not only one of the great-est of all known absorbers of light, but italso has a bad effect on nerves and wall-paper in sick-rooms has. INTERIOR OF THE NEW WASHINGTON STATION. SHOWING NIGHT ILLUMINATION. THE WORK OF THE ILLUMINATING ENGINEER. 337 driven more people delirious than all thediseases combined. The plainer the wall-paper the better for nerves and body, and thesmoother the surface the more light it willreflect. In selecting wall-paper the way tl\eroom faces must also be taken into consider-ation. Those rooms facing north and eastrequire li::hter colored papers than do roomsfacing south and west. The first duty of the illuminating engineerwas to bring about an important change inthe practice of placing the lamps. This wasvery hard to do becajse the antiquated chan-delier had become a habit with architects andbuilders. It was only after the engineer hadrepeatedly proved that better illuminationcould be secured by using several lights dis-tributed about the apartment that this changewas brought about. Now, when an engineeris ashed to fii^uire on the artificial lighting ofa building the first thing he does is to
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