Book chutes were installed at the Library in 1926. Learn more about the infamous Elsie Hand on Flat, Cool & Acid-free https://library.okstate.edu/news/podcast/flat-cool-and-acid-free/the-infamous-elsie-hand Interested in more Library history? View the Centennial History Series collection online at https://library.okstate.edu/search-and-find/collections/digital-collections/centennial-histories-series/ Photographs used in this episode can be found in the OSU Archives https://archives.library.okstate.edu/