Professor Kirsten and his invention - an aeroplane with rotating wings.
Title reads: "Washington".
New type plane demonstrated in Washington DC, United States of America.
An American inventor, Professor Kirsten, demonstrates his bizarre invention: an aeroplane with rotating wings and tail fit. Various shots of the professor looking at moving model of the plane. He claims a full sized machine of this type would be able to take off and land straight up or down. Narrator sounds a little sceptical.