Brass Parallel Rolling Nautical Navigation Ruler

An original late 19th to mid-20th-century solid brass rolling parallel navigation ruler, precision-crafted by the Universal Wood Working Co. (U.W.W. Makers) in Birmingham, England. Stamped clearly on the heavy brass barrel, this 18-inch instrument features smooth-gliding rollers designed for precise maritime chart plotting, drafting, and engineering. It comes housed in its original protective wooden presentation case with intact internal alignment blocks. A highly collectible piece of industrial history, perfect for nautical enthusiasts, cartographers, or as an antique desk display Postage and packaging €13 anywhere in Ireland