My coworker just brought this thing to my office to look at. It's a tape measure from the 30's that measures in feet, but instead of inches it's divided into tenths and hundreths of a foot. I had no idea something like this existed.
Sorry, it's hard to make out in the picture, but the text says:
The Lufkin Rule Co.
Made in USA
The other side has a 1930's Crescent logo