Lufkin Red End Engineer’s Folding Rule, Model 1066D

6’L in feet, inches, and 16ths one side, feet, 10ths, and 100ths other side. Foot number in red, repeated each inch and 10th foot. Features bold markings embedded in wood, not just printed. Markings are black and red on a white background with an epoxy coating. Decimal points on engineer’s scale prevent reading errors.