Air, Light and Efficiency Showing Influence of Sash Types and Building Design . Pond Continuous Sash in monitor outlets ot Union Malleable Iron Co. foundry,East MoUne, III. Mr. O. A. Eckerman, Architect. Xote the overhanging angle barsat top, and the storm panels at ends. biU do?i^t try to change it. • 1 29 I AIR, LIGHT AXD EFFICIENCY. j:: C o Oo 30 Fifteen acres of daylight- DAVID L U P T O X S SONS C 0 lAI P A N Y

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