R-4-B Helicopter donated to Air Force Museum | University of Illinois Archives
Caption on back: The 23-year old "Dragonfly" of the University of Illinois Institute of Aviation, one of only two model R-4-B helicopters known to be in existence, has been given by the university to the Air Force Museum at Wright-Patterson Air Force Base
Geographic Coverage: Willard Airport, University of Illinois, Savoy, IL
Found in Box 110, Folder COL 10 - Aviation 1960-
Negative Number: 6420, Record Series 39/2/22.
Copyright University of Illinois.
Copyright of this image is managed by the University Archives or we have been unable to identify the copyright holder.Ã?Â Please contact us if you would like to purchase a high-res copy of the image, to inquire about permissions for publication, or if you can help use identify the copyright holder.