Dynasphere
The Dynasphere (sometimes misspelled Dynosphere) was a monowheel vehicle design patented in 1930 by Dr J. A. Purves FRSE (7 August 1870 – 4 November 1952) from Taunton, Somerset, UK. Purves' idea for the vehicle was inspired by a sketch made by Leonardo da Vinci.
Monocykl z lat 30. XX wieku.
Music from https://filmmusic.io
"Backed Vibes" by Kevin MacLeod (https://incompetech.com)
License: CC BY (http://creativecommons.org/licenses/b...)