Clean boxwood & brass folding ruler marked "No. 44 1/2 STEPHENS & CO. RIVERTON CT. U.S. STANDARD".
Very good, vintage condition. Few minor stains and scratches. The joints and all the brass are in very good condition the center joint holds position very well and all the alignment pins are in place.
Stephens & Co. was in business from 1828-1901 when they became part of the Chapin-Stephens company.