Description:10 34 03 00 Archives, 25 years ago, assembly better moments. 1935. Invention, prototype of a small plane, without tail. Close-up of the pilot and mechanic who settles the engine, plane gets ready to take off. Close-up details of the plane. He is light extreme reactionary. Invention of the plexiglas, sort of unbreakable plastic which will serve as pane. Close-up manufactures which makes this new material. Close-up man who knocks with hammer to made out a will. The other test of resistance with a ball of steel which falls above. Car runs above but he does not always break, revolution in the industry by this new material.