Dynasphere. c1932 Dr. J A Purves. Taunton, Somerset, UK.
A mono-wheeled 2.5hp car with speeds of up to 30mph.
- ^ BBC News Website http://news.bbc.co.uk/local/somerset/hi/people_and_places/history/newsid_8428000/8428457.stm
- ^ You Tube video of test. http://www.youtube.com/watch?v=Hm7bRRCw7R8