This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 Excerpt: ...not always apply to school buildings containing more than one room. In buildings of two, four, or more rooms, it will often be necessary to have the windows of as many rooms face the west as the east. It still remains true, however, that those rooms whose windows face the east, when other conditions remain the BUREAU OF EDUCATION BU LL. NO. 5, 1910 PL. 37 same, will be the most healthful and wholesome rooms because of the early sunning which they will get. And just here is perhaps the best place to say that while the north light is the most diffused and the softest which can be admitted into the schoolroom, it is unsafe to depend on maintaining the health of children kept in schoolrooms with windows looking only toward the north. These rooms will do for art work and laboratories, but not for regular classrooms. Every schoolroom needs a sun bath each day to keep it pure and wholesome, and it is contrary to the simplest and plainest rules of hygiene to construct a schoolhouse which will not permit of this mode of sanitation and disinfection. Also the first part of the last rule needs some slight modification in order to prevent it from deterring in certain cases. There are conditions in most of the Southern and Southwestern States, especially in the great valleys, which demand openings toward the north, not for the purpose of getting additional light, but for ventilation and cooling. In the warm valleys, during the early and later months of the school year, the heat is often so intense as to render it almost necessary to get the advantage of a breeze through the room. Under these conditions it is best to have some openings in one end of the room, preferably toward the north. These openings need not be full-sized windows, but better, small windows 8 feet or mo...