Cold Air Returns | University of Illinois Archives
Cold Air Returns
November 10, 1926
"Research Residence. Third Installation. View showing three cold air returns and experimental equipment."
Found in RS 11/8/23 Box 2 Photo No. 122
Original image is 25 x 18.3 cm
University of Illinois Archives
11/8/23 Vincent S. Day Papers, 1918-1927
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