<DIV style="font-family:Arial,sans-serif;"><DIV>Just a guess, but could "rule of thumb" refer to an artist holding his thumb up to gauge proportions and sizes while doing a painting?</DIV>
<DIV> </DIV>
<DIV> - Jim Landau</DIV>
<DIV> </DIV>
<DIV>"White people have no souls" ---- Baron Munchausen</DIV><BR> <BR><HR>Netscape. Just the Net You Need.</DIV>
------------------------------------------------------------
The American Dialect Society - http://www.americandialect.org