Document 85vRG48BJxd77dYYREpQNryad

& Why black is not considered most efficient for walls and ceiling ofX-Ray developing room npHE opinion has been expressed JL that "the-business of a dark room is to be dark"; that "every surface of a dark room should be black and lustreless. " Butshould it? The dark or developing room in the X-Ray group depends upon artificial light for its illumination. Most of the time the operator works under ordinary white light. During the remaining period he is under a dim light, usually red. Black vs. violet-red 1 he lustreless black once specified for a dark room shows a maximum light reflection of only about 3% of the artificial white light thrown against walls and ceiling. On the other hand, the violet-red often recommended for this room reflects %about 25 of the white light. 12% or more of the red light it receives. Here then is a more efficient color for the developing room--a color that is often recommended and used also in the fluoroscopic room. And in the eye, ear, nose and throat room of the hospital as well. The suitable shade of violet-red In the developing room creates a lighter and brighter place which helps to increase the operator's efficiency.without damaging sensi tive plates. In the fluoroscopic room this shade does away with the gloomy, black-painted walls and ceiling which'have a depress ing effect on operator and patients alike. Many hospitals have done away with black. Care in color selection The selection of the proper colors for these rooms and of the correct shades ofthe colors shows anew the necessity for careful consider ation of every room in your hospital. Factors of illumination, room size, the use of the room, vary con stantly. Conditions governing the use of color .differ in all hospitals and in the several sections of a single hospital. How to obtain colors One fact you can be sure of is that any desired color can be obtained exactly with flat paint made of Dutch Boy white-lead and Dutch Boy flatting oil. This paint is mixed and tinted specially for every job. It gives long-lasting, economical finishes which can be washed as often as necessary. A color department at your service If you desire help in selecting coior treatments, you can get it from our Department of Color Research and Decoration. This depart ment, headed by specialists who have made a study of hospital conditions, will make at your request a thorough analysis of your problem and aid you as -it. has hundreds of hospital superin tendents and architects. Simply address the Department.in care of our nearest branch. Under the red light, black sidewalls and ceilings reflect probably a fraction of 1% of the light, where as the proper shade of violet-red, corresponding as nearly as possible - to the color of the redlight, reflects ' NATIONAL LEAD COMPANY New York, nr Broadway . Boston, 800 Albany Street . Buf falo, 11& Oak Street . Chicago, 900 West 18th Street . Cin cinnati, Sty Freeman Avenue . Cleveland, 820 West Superior Avenue . Sc. Louis, 722 Chestnut Street - San Francisco, 235 Montgomery Street . Pittsburgh, National Lead ic Oil Co. of Pa.,- 316 Fourth Avenue-. }*hiIidelphia;_john Ti Lewis `S Bros. Co., 437 Chestnut Street Reprint of Advertisement from Th e Mo d e r n Ho s p it a l , May, 1928, issue N 27856 QOOO-NLI-OOOOI4007 i