Aeromarine showed the first in-flight movie during the Chicago Pageant of Progress exposition in August of 1921,
<p>(From "Aerial Age Weekly" of August 29, 1921, Vol. 13, No. 25, p. 584.)
(Also "Aircraft Year Book, 1922", New York: Aeronautical Chamber of Commerce of America, Inc., 1922, p. 239)
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