This square shows 1/8″ graduations with an old font along all outside edges only. Scarce Old School. Layout Square. An unidentified trademark is etched onto the front face at the 11″ mark. (Maybe you recognize it.).
This square shows 1/8″ graduations with an old font along all outside edges only. Scarce Old School. Layout Square. An unidentified trademark is etched onto the front face at the 11″ mark. (Maybe you recognize it.).