Aviation. Two historical documents: a) a mimeographed... Lot 23

Aviation. Two historical documents: a) a mimeographed letter signed on 7/5/1921 (letterhead, state of use). It is the development of Paul Huguet, unjustly unknown inventor, of the piloting by TSF of the planes equipped with the integral stabilizer. He reminds us that in 1912, he had already alerted the press...;b) a 5-page rone-typed letter (unsigned) from Marshal Liautey to MP Bouillou-Lafont. On 20 January 1927, the Marshal insisted on the danger that the development of the German air force posed to France both militarily and economically. Good condition.