This vintage Dietzgen Architects' 12" Triangular Scale Ruler 1667BG was made in Germany and is a must-have for any collector of engineering and science memorabilia. The ruler features precise markings and measurements, perfect for professional or hobby use. Crafted with high-quality materials and expert craftsmanship, this ruler is a testament to the German engineering tradition. Its elegant design and functionality make it a valuable addition to any collection or a useful tool for day-to-day use. Don't miss out on the opportunity to own this piece of history.