File on Man Powered Flight, assembled by Douglas Robert Wilkie File titled 'Man powered flight' combining research documents on the subject of man as a source of mechanical power, which Wilkie pursued as a personal interest. Includes records of The Royal Aeronautical Society; a copy of Wilkie's 'The Work Output of Animals: Flight by Birds and by Man-power", published in Nature, 30 May 1959; a reprint copy of Wilkie's 'Man as a Source of Mechanical Power', published in Ergonomics, 1 January 1960; photocopies of newsprint and articles assembled for research; copy of The Kremer International Competition £50, 000 Prize, printed by the Royal Aeronautical Society; Wilkie's copy of Third Man Powered Aircraft Group Symposium Man Powered Flight The Channel Crossing and the Future, printed by The Royal Aeronautical Society 6 February 1979; a folder titled 'Gossamer Albatross Manflight'; and four black and white photographs, previously titled 'Man Flight Puffin Photos'. 1970-1979