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During the past several years we have designed a series of lighting units that are completely free from glare. One of these is a ward light for hospitals.
There has long been a need in hospitals for a lighting unit that combines the features of complete absence of glare and a satisfactory nightlight attachment. The unit to be described in this paper was devised in response to a personal request from the director of one of our leading hospitals for a unit of this type. It has been in satisfactory use for more than a year in one of the new buildings of this hospital and has been installed in a second new building just completed for use.
PRINCIPLES OF LIGHTING
It may be well to preface the description of the unit with a brief discussion of principles as applied to lighting by ceiling fixtures. Thus far
FERREE CE, RAND G. LIGHTING WITHOUT GLARE. Arch Ophthalmol. 1932;8(1):31–38. doi:10.1001/archopht.1932.00820140039004
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