"Dave" wrote in message
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On Thu, 09 Aug 2012 05:55:25 -0400, Ed Pawlowski wrote:
They look interesting if you want to be different. I don't see them
being very practical if you have any mobility problems though. Stairs
for healthy 20 year olds?

With a limited amount of area to place them, that may have been the
only practical means of access to the next floor. Actually, it looks
very practical to me. Not too many will be taking them two at a time
though, not going up anyway.

They are called "Jefferson stairs" after Thomas Jefferson. My 'project
manager' for our tiny [24X16 timberframe] cabin nearing completion in
Colorado came .up with a plan and built a sterling example for access to the
small sleeping loft.
Pictures to follow.

Dave in Texas