Details
A three-fold boxwood timber rule
by Blakeley Maker, 15 Lower Marsh, Lambeth, with brass joints and iron tips, one main arm with bone slide, the other with timber price and quantity tables and six-inch tapered third arm to form 24-inch rule
by Blakeley Maker, 15 Lower Marsh, Lambeth, with brass joints and iron tips, one main arm with bone slide, the other with timber price and quantity tables and six-inch tapered third arm to form 24-inch rule