The Antique Dietzgen Spee Dee Germany 13 inch Beam Compass is a rare and collectible drafting tool from the post-war era. Made in Germany by the renowned brand Dietzgen, this compass is a unique piece that showcases the precision and craftsmanship of vintage engineering tools. Complete with its original case, this compass is a valuable addition for collectors of drafting tools and artifacts from the mid-20th century. Its authenticity and historical significance make it a sought-after item for those interested in the history of science and medicine.