Posted by Jill S. on Wednesday, 26 December 2007, at 1:17 p.m.:
In Reply to: spinning posted by Kim on Wednesday, 26 December 2007, at 10:24 a.m.:
Sounds like what you have is a warping board. It's usually used to measure out warp threads in preparation for weaving, but I suppose you could use it to measure yarn for other purposes as well.
There's an example of how to use a warping board at:
http://www.allfiberarts.com/library/aa99/aa100999.htm