Determination of the characteristics of an airplane in flight based on fuel consumption
Resistance of air to spheres and the rising speed of pilot balloons
Application of pitot tube to the measurement of the speed of ships
Theory of airplane flight at various altitudes. Predetermination of the ceiling
A series of flight effected with helicopter on the 15 28 and 29 of Jan 1921
Guiding of ships at the entrance of ports and canals by immersed electric cable