Nemeth Umbrellaplane ("Roundwing") and other projects | Secret Projects Forum
Nemeth Parasol: Strange Aircraft that Flew – Disciples of Flight
Nemeth Parasol (1934) Circular-wing airplane, invented by Steven P. Nemeth, of Chicago, is demonstrated...HD Stoc… | Airplane design, Aircraft art, Aviation history
A new parasol plane tested in Glenview, Illinois. HD Stock Footage - YouTube
Nemeth Parasol: Strange Aircraft that Flew – Disciples of Flight