Excerpt from The Lighting of School-Rooms: A Manual for School Boards, Architects, Superintendents and Teachers

It has been common report that the principles on which the lighting of a school depended were not known and that the whole subject was still in a chaotic state. My studies had, on the contrary, led me to the conclusion that all the important principles were not only definitely known but were capable of actual demonstration. Accordingly I made it my business to test this conclusion carefully, to ascertain the facts and the reasons underlying them. The result demonstrated quite thoroughly that the main problems of school lighting are solved already, and solved practically.

It must be admitted that one would "never guess it" from an inspection of an average half dozen or half hundred school-houses, but the fact remains that the mechanics of light is adequately known, that, given the data, the lighting value of a window of a certain size at a certain location can be readily ascertained and the effect of obstructions measured, and that the typical shapes possible for a building have all been tried. The problem for the future is simply to get all concerned to know and respect the requirements.

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