. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Plaii of ventilat- FiG. 61.—Chicago Telephone Company, ing plant. dows was changed so as to be opened, and thus the entire excellent!}^ devised system was rendered useless. At the time of the ver}^ high tem- perature that prevailed in Chicago at the beginning of September, 1899, I found the rooms intolerably warm, es- pecially those with an east and southeast exposure, in spite of the open windows and many electric fans placed everywhere. I
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Plaii of ventilat- FiG. 61.—Chicago Telephone Company, ing plant. dows was changed so as to be opened, and thus the entire excellent!}^ devised system was rendered useless. At the time of the ver}^ high tem- perature that prevailed in Chicago at the beginning of September, 1899, I found the rooms intolerably warm, es- pecially those with an east and southeast exposure, in spite of the open windows and many electric fans placed everywhere. It could not have been w^armer with the defective ventilating appara- tus, some corridors and rooms being like a bake oven. Much dust came through the open windows into the beautiful building, and the noise of the ^''^- 62.—Chicago Telephone Company. Plan of venti- j_ , 1. , .. lating plaTit. street was distracting. As it w^as important for me to ascertain clearly the value of the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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