Swetnam, maths and distances.

I have already established that Swetnam counts in base 3. That is- there are 3 ways to do this. way one, way two, way three, way three one, way three two and way three three.

It seems that he has two measurements of distance based on this counting method. Three feet or twelve feet. This leads me to believe that three is a short measure and twelve is a long measure. So, how long is a foot?