Vintage A. Lietz Co drafting instrument set made in Germany, featuring precision engineering for architectural or engineering work. This collection includes a large compass, ruling pens with black handles, and a small divider, all housed in a velvet-lined hardshell case. Each piece reflects the high-quality craftsmanship associated with German-made technical tools from the early to mid-20th century. While the set is incomplete, the remaining instruments retain their historical charm and functional design, making them ideal for collectors of antique office supplies or scientific instruments.