San Francisco : Architect and Engineer, Inc · leaf 268
dseveral per cent gain in output. All these new and improved sources have given thelighting designer more tools to work with, so that hehas been able to come up with better designs at lowercosts. Schemes which have heretofore been imprac-tical because of high cost or high wattage have movedinto the… … JUNE, 1956 LIGHTING The major improvement in lighting methods comesfrom increased awareness of the manner in whichhuman beings are affected physiologically and psycho-logically by light. Researches in this area in the lastdecade, not only by lighting researchers, but also byphysiologists,…
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