This antique 24" brass parallel ruler is a must-have for any nautical enthusiast. Made by Kelvin Hughes, a reputable maker in the United Kingdom, these types of pieces were used by the British Royal Navy during WWII. Crafted from brass, this maritime parallel rule is both beautiful and functional. Perfect for display or use, this antique ruler is in good condition and comes in its original box. A true piece of history, this Kelvin Hughes parallel ruler is a great addition to any collection.