On a tape, just a bit over 19 3/16th’s" there is a diamond. It appears at the same interval?
Anybody know what this is for???
Just another GQ,
the machine
Yeah,
When you are laying out studs for a standard 18" o.c. wall, the diamonds mark the center of the stud.
o.c.= on center
Ask, and ye shall receive:
http://www.straightdope.com/mailbag/mtapemeasure.html
Essentially, 19 3/16 inches is 1/5 of 96 inches, the standard length of panels “used for sub-flooring and sheathing.”
–sublight.
Thanks!!!