Aeronautical engineering has become one of the recognized professions.
Baumann was already noted for his work as an aeronautical engineer.
The only firm which has in Belgium the speciality of aeronautical patents.
Prominent figure in German aeronautical and aviation circles.
If you want to build an airplane, go to an aeronautical engineer.
The glider in question was exhibited at the Aeronautical Exhibition of 1868.
Simon made another record that way by being the first man to be killed in an aeronautical accident.
General Jourdan publicly acknowledged the help which the aeronautical observations had afforded him.
The piston rings are of special design, developed after years of experimenting in aeronautical engines.
Not a technical book, but a practical, easily understood work of reference for all interested in aeronautical science.