From the 1977 book Rocketship: An Incredible Journey Through Science Fiction and Science Fact:
Paul Maiwurm's fanciful Cyclonic Rocket depends on four rocket engines, unusual rotating tubular wings (wouldn't the whole vehicle tend to rotate?), scoop propellers and happy pilots. Obviously it's a California first.
See also:
Aerial Navigation Will Never Be Popular (1906)
Commuter Helicopter (1947)
Postcards Show the Year 2000 (circa 1900)
Disney's Magic Highway, U.S.A. (1958)
