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Dr. Purves's "Dynasphere" Monowheel, c. 1932

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Uploaded on Dec 18, 2008

This bagel of a monowheel was designed by Englishman Dr. J.H. Purves to be what he believed was locomotion reduced to its simplest possible form.

Read more at: http://www.roadsideresort.com/blog/th...

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