The Doric Co Drafting Drawing Protractor Set 9526 Vintage Germany is a rare and valuable collectible for those interested in engineering and drafting tools. Made in Germany by Doric Co, this vintage protractor set is a unique piece of scientific and medical history from the mid-20th century. With its precise measurements and high-quality construction, this set would be a prized addition to any collection of drafting tools or vintage German craftsmanship.