Browse Items (1 total) Tags: Donald Nelson Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Otis Elevator Contract - December 1, 1975 This is the service contract for the Haughton geared freight elevator from Otis Service. Tags: 1975, board of directors, Board of Trustees, contract, Decatur IL, Decatur Public Library, December 1975, Donald Nelson, Elevator, Haughton geared freight elevator, Otis Service