This photograph shows the girder and strut construction of the R101. Some markings were added by Major Oliver Villiers of the Ministry of Civil Aviation during a séance led by Eileen J. Garrett.
R101 Girder and Strut Construction, July 16, 1930, Box 8, Eileen J. Garrett Parapsychology Foundation collection, Collection 331, Special Collections, University of Maryland, Baltimore County (Baltimore, MD).