sentences:  Trials were made at Saint-Etienne-de-Tinée, but the wing area proved insufficient for the purpose, and so a fourth, larger, glider was constructed.In 1901 Ferber became aware of the aeronautical experiments of Octave Chanute, a French-born American civil engineer, as a result of reading an article in the "Revue Scientifique" published in the issue dated 1 June 1901.Ferber wrote to Chanute, and through him learnt of the experiments of the Wright Brothers, receiving a copy of Wilbur Wright's paper "Some Aeronautical Experiments" which had been published in the "Journal of the Western Society of Engineers" in December 1901.