On Dec 6, 6:38*pm, Lewis Hartswick wrote:
Tim Wescott wrote:
For some reason, though, instead of being called a "universal thread
gauge" it's called a "ruler".

Not in most shops. It's a "scale". :-)
* *Rulers are either wood or plastic. :-)
* * ...lew...

Some labs and shops also weigh material on a scale. "Rule" is
unambiguous.

jsw