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English: An aerial machine patented by Émile Lossé in 1911. Description: This invention relates to an aeroplane of improved construction, characterized by a body of the shape of a half-cylinder arranged longitudinally and by two lateral aeroplanes consisting of revoluble disks which are symmetrically arranged with regard to the axis of the machine and destined to revolve in opposite directions. Said lateral aeroplanes serve at the same time as fly-wheels for the engine and for automatically insuring the equilibrium of the machine owing to their gyroscopic effects; they further cleave the air and permit a considerable increase in the speed of the machine. Each of said disks has two blades which form oars and said oars are mechanically driven. When the force of the engine is greater than that of the wind the vanes facilitate the propulsion; while the wind acts upon the vanes if its force is greater than that of the engine adding thus its propelling power to that of the engine. Finally, the improvements relate to the arrangement of the rear rudder and to the manner in which the wheels are mounted which serve for supporting the machine on the ground. The invention is shown in the accompanying drawings.