About 22% of all U. S. public school children have poor eyesight. This is not entirely their teachers' fault or the fault of the buildings in which they study. But the percentage might well drop if schools were better lighted, and if busy teachers did not have to be relied on to raise and lower windowshades. So argued Engineer D. W. Atwater of Westinghouse Lamp Co. in a lecture at New York University fast week advocating a light-control device for schoolrooms. In a metal & glass cabinet affixed to the wall is a...
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