Warsaw 1921; Gebethner and Wolff. 14.5x20.5 cm, pp. XVII, softcover. Good condition (scuffs and minor cover soiling).
First edition. Foreword written by Jozef Jankowski. Notes of Antoni Scheur (1896-1920), graduate of the French Pilot School in Bydgoszcz, aviator of the Polish Army, commander of the Caudron Squadron in Deblin. He died in September 1920 as a result of an accident that occurred while taking a training flight with one of his students.