Lancaster, E. A. Jr2021-10-212021-10-211959-04-20http://hdl.handle.net/11558/5904From the very beginning, the entirety of the P.H. Welshimer Library was heated and cooled. This letter from an air conditioning company in 1959 describes the annual costs and amount of upkeep such a system would need per year.en-USThis item may be viewed, downloaded, and printed for personal and educational use, but any commercial use is prohibited without permission from Milligan University. Questions may be directed to mcstor@milligan.edu.P.H. Welshimer Memorial LibraryFall Exhibit 2021Stahl, RayInformation on Air Filters for the LibraryOther