Content Description "La Conquête de l'Air" postcard book is a collection consisting of one book of 24 postcards documenting Wilbur Wright's demonstration flights in Le Mans, France in 1908. The booklet includes two pages of text about Le Mans, France and Léon Bollée, Civil Engineer of the City of Le Mans. The 24 photomechanical postcards in the booklet include images of Wilbur and Orville Wright; Léon Bollée; the motor for the Wright flyer; the aircraft under construction in Bollée's factory; the...