The Dynasphere, an electrically-driven wheel, capable of speeds of 30mph, being tested on the beach at Weston Super Mare by Mr J. A. Purves of Taunton, who invented the machine with his son. (Photo by Fox Photos/Getty Images)
The Dynasphere, an electrically-driven wheel, capable of speeds of 30mph, being tested on the beach at Weston Super Mare by Mr J. A. Purves of Taunton, who invented the machine with his son. (Photo by Fox Photos/Getty Images)