Resilient wheels / Ackerman wheels with resilient spring steel spokes ( I learn something new constantly!)

  The above are from David's great vintage car site Old Motor http://theoldmotor.com/?p=20051

below I've posted before, and show them here in context to demonstrate some other odd spring focused rims... to read about their history http://blog.hemmings.com/index.php/2010/10/19/earlier-and-resilienter/