At least 13 newspapers (below) printed this photo showing 2 motors:
Whitehead holding extracted ground-wheel motor. Propeller motor visible behind him on the aircraft
1901-12-05, The Repository, Canton, Ohio
1901-08-31, Deseret Evening News, p.23
1901-10, Illustrierte Aeronautische Mittheilungen, pp.164-165
1901-11-19, NY Herald, p.6
1901-11-19, The NY Evening World, Night Edition, p.5
1901-12-08, The Post-Standard, Syracuse NY, p.19
1901-12-13, Daily Journal, Salem, Oregon
1902-12, The Aeronautical World, pp.99-100
1903, Luftschiffahrt der Gegenwart, p.236
1901-09-08, Los Angeles Herald Illustrated Magazine, p.23
1901-10-11, Ogden Standard Examiner, p.7
1904, Modern Industrial Progress, Cochrane, p.97
1901-09-13, Virginia Enterprise, p.3
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